Video Review
Tolino Vision 4 HD: At a Glance
The introduction of the Tolino Vision 4 HD in 2016 came as quite a surprise. For the first time, the German bookselling alliance had chosen not to unveil a new model at the Frankfurt Book Fair. Instead, the Vision 4 HD was revealed later in November. Like its three predecessors, this eBook Reader features a modern design with a seamless front—just like a tablet.
The display offers a pixel density of 300 ppi (“Retina” resolution), making text appear as crisp as print. The device is operated via a capacitive touchscreen, which is highly responsive to touch.
The most important innovation of the Tolino Vision 4 HD is its blue light-reduced illumination. Instead of being lit by just 5 cool white LEDs as before, the screen now combines 7 cool white and 6 warm white LEDs. Depending on your chosen settings—which can be adjusted automatically or manually—the display takes on a bluer or warmer yellowish tone. This is designed to avoid disrupting your sleep cycle and provide a more comfortable reading experience in the evening. The topic is discussed in more detail in the review below.
Another stand-out feature compared to many other eReaders is the built-in water protection. The Tolino Vision’s electronics are coated with a special nano-seal, so while liquid can enter the device, it doesn’t cause any damage. That means you can read worry-free in the bathtub or similar places.
The software is laid out intuitively and is easy to use, yet still offers all the key features. The Vision 4 HD provides good font customization, note-taking, and a dictionary function. With the integrated eBook shop, you can buy and download books directly on the device via WiFi.
No Kindle Competition
Currently, the Tolino Vision 4 HD has no direct competitor from Amazon. The Kindle Paperwhite may have the same screen resolution, but lacks built-in water protection and blue light reduction. The Kindle Oasis does have water protection, but still offers no blue light reduction—and costs noticeably more. The only Amazon eReader that used to be in the same price range was discontinued in summer 2018. The Kindle Voyage is no longer available.
Competition for the Tolino comes from elsewhere: The (still unreleased) PocketBook Touch HD 3 is set to offer blue light reduction, water protection, and (probably) even audio functionality in the same size and price category. The only real drawback of the PocketBook device is that its user interface is less intuitive compared to Tolino.
As a side note, you don’t need to worry about ads showing up on the sleep screen with the Vision 4 HD. Unlike various Kindle models, there’s no such thing here.
Summary
The Tolino Vision 4 HD was the first 6-inch model to launch with blue light-reduced illumination. While it’s no longer the only one on the market, it still delivers one of the best implementations of this technology. At the same time, it clearly stands out functionally from the more affordable Tolino Shine 2 HD sibling model—as well as from the currently available Kindle models.
Thanks to its continually updated software and excellent screen lighting, the Vision 4 HD certainly doesn’t have to hide from the competition—quite the contrary: It sets the bar for its rivals.
For anyone willing to spend a bit more on an eReader, the new Vision is one of the best eBook readers on the market—as long as you can do without memory card expansion.
Still unsure? In the following review, you’ll find a detailed description of the Tolino Vision 4 HD’s build quality, display, and software.
Tolino Vision 4 HD: Full Review
At the 2016 Frankfurt Book Fair, the Tolino partners failed to present a new eBook reader. For the first time since the alliance was founded, there was no new device at the world’s most important book fair.
But the partners weren’t idle, because something new has arrived after the fact: The Tolino Vision 4 HD saw the light of day today.
The new model consistently continues the Vision line and brings a unique feature that now meaningfully differentiates it from the cheaper Tolino Shine 2 HD: With SmartLight you’re supposed to get the right color temperature at any time of day or night.
We’ll take a look at how the new technology performs in everyday use and what else the Vision 4 HD has to offer in the test below.
Build quality & features
Since the very first model, the Tolino Vision line has stood out with its appealing tablet-like look and flush front. I’ve taken a closer look at the basic pros and cons of a flush front on eBook readers in a separate article.
Nothing has changed since the Vision 1 apart from the color scheme: Vision 2, Vision 3 HD and now the new Tolino Vision 4 HD all come in the same casing. That’s not a bad thing, because the eReader not only looks good but also impresses with excellent build quality. That hasn’t changed with the new Tolino Vision either.
The dimensions are still a compact 163 x 114 x 8.1 mm. That means the new model also fits the four-year-old Vision 1 covers. Excellent! The weight has barely changed at 174 grams and is still very low. As a result, the eBook reader sits perfectly in the hand. Even longer reading sessions are completely effortless.
The black front has a slight sheen. You don’t need to fear annoying reflections, as the surface has been sensibly anti-reflective coated. The display is therefore relatively resistant to fingerprints and smudges—and if one does become visible, a quick wipe takes care of it.
Like its predecessors, the Tolino Vision 4 HD also has a touch-sensitive home button. At first, the high sensitivity can lead to accidental presses, but after a short adjustment period it’s no longer a problem. One reason you get used to it quickly is the thoughtful placement of the home button. It sits close to the bottom edge of the device, leaving enough space to rest your thumb directly below the display.
Also on board again is water protection via a nano-coating from the company “HZO.” Here’s how it works: Before assembly, the Vision’s electronics are submerged in a special liquid. This coats the components with an ultra-thin seal that protects against water. In the further course of the manufacturing process, the connectors are also sealed with adhesive.
This type of protection shouldn’t be confused with complete waterproofing. If the fully assembled Tolino Vision 4 HD falls into water, the liquid can enter the casing. However, the water won’t cause damage inside. You can simply “pour out” the eReader and let it dry.
In any case, you can once again read near water without worry and enjoy a gripping story in the bath or at the pool.
There is one downside, though: the Vision 4 HD has no memory card expansion. On the plus side, the internal storage has grown to 8 GB (5.68 GB available to the user). That should be more than enough for the vast majority of users, so there’s no need to worry about running out of space.
The Telekom cloud is also still available and can be used free of charge.
For wireless connectivity you still get Wi‑Fi, so you can use the built-in eBook shop to purchase new titles. The built-in web browser also works over Wi‑Fi (see below).
To better live up to the goal of maximum accessibility, the new Vision comes with a symmetrical USB cable. You can plug it into the USB port on both your PC and the eReader either way up. So you’ll never again have to be annoyed at trying to plug in a USB cable the wrong way.
Display & lighting
The Tolino Vision 4 HD not only looks the same as its predecessor at first glance, it also looks almost identical on paper. The eBook reader still has a 6-inch display with a resolution of 1448×1072 pixels. That yields a very high pixel density of 300 ppi—often referred to as Retina resolution. At a “normal” reading distance, individual pixels are no longer visible.
There is, however, one visible new feature, which I already mentioned in the introduction to this review. The lighting has been expanded with blue-light-reducing “SmartLight” technology, which makes the color temperature cooler or warmer depending on the time of day (or manually, if preferred).
As with every eReader test, the question with the newest Tolino Vision is how well the individual display components have been implemented in practice. Let’s start with the contrast ratio.
Contrast and resolution
Compared to its predecessor, the Vision 3 HD made a noticeable leap in display quality and was thus on par with Amazon and Kobo. There’s no such jump with the Tolino Vision 4 HD, but you can again enjoy the same very good contrast values.
The display of the new eBook reader is just as sharp and crisp as the competitors and is absolutely easy to read. With a practically measured contrast ratio of 7.79:1, the current Vision is essentially on par with its predecessor. No differences are discernible to the naked eye. Generally speaking, most 300 ppi models from all manufacturers in the 6-inch segment are close together.
Note: To make the differences between the individual models even more visible, the measuring method was adjusted again and a different light source was used. The figures below were newly determined and are not directly comparable with the old ones (from earlier tests). This is a practical measurement, not the maximum contrast ratio.
Contrast ratio X:1, without lighting (higher is better)
- Kobo Aura H2O 8.98
- Kindle Voyage 8.48
- Bookeen Muse Frontlight 8.25
- Kindle Paperwhite 2 8.0
- Kobo Glo HD 7.99
- Tolino Vision 3 HD 7.88
- Tolino Vision 4 HD 7.79
- Tolino Shine 2 HD 7.75
- Kindle Paperwhite 3 7.61
- Tolino Vision 2 7.48
- PocketBook Touch Lux 3 7.45
- Tolino Vision 1 6.96
With lighting, the Tolino Vision looks just as good. The contrast increases to 9.45:1. That puts it narrowly ahead of its predecessor and moves it relatively far up the list below.
Contrast ratio X:1, at full brightness (higher is better)
- Bookeen Muse Frontlight 10.78
- Kindle Voyage 10.5
- Kobo Aura H2O 10.0
- PocketBook Touch Lux 3 9.54
- Tolino Vision 4 HD 9.45
- Tolino Vision 3 HD 9.36
- Kindle Paperwhite 3 9.33
- Kobo Glo HD 9.21
- Tolino Shine 2 HD 9.1
- Kindle Paperwhite 2 9.0
- Tolino Vision 2 7.4
- Tolino Vision 1 6.5
In conclusion, the same holds for the Vision 4 HD’s contrast ratio as for its predecessor: The eReader fits seamlessly into the rest of the 300 ppi crowd and delights with crisp text and great readability.
Blue light reduction
Before we talk about the lighting quality, let’s get to the most exciting innovation of the Tolino Vision 4 HD: SmartLight. That’s the name of the Tolino alliance’s blue light reduction. But why do you need it?
Some time ago, researchers discovered that different wavelengths of light influence our sleep in different ways. Blue light plays a special role here, as it’s very abundant during the day and helps us wake up and stay awake.
Blue light isn’t harmful in itself, but through its effect on the wake-sleep cycle it indirectly influences many functions of the body. Too much blue light in the evening or at night can therefore be problematic in the long term.
Since standard white LEDs also emit a lot of blue light, flat-screen TVs, smartphones, tablets and possibly even illuminated eBook readers can potentially disrupt healthy sleep. Many sleep researchers have therefore long advocated avoiding (strong) artificial light sources before going to bed. This article already explains the issue in detail.
Dedicated reading devices with built-in front lighting are at the lower end of the problem scale, because only a few LEDs (usually just 4 to 9) are used to light the screens. Tablets, by contrast, use between 20 and 90 LEDs depending on size and technology (e.g. Apple iPad Air 36 LEDs, Apple iPad 3 84 LEDs). In addition, eBook readers diffuse the light strongly through the light guide layer, whereas backlit displays shine directly (and usually much brighter) into the user’s retinas. Maximum brightness levels are also typically much lower on reading devices.
Thanks to this “gentler” implementation, you generally need to worry less with eReaders than with tablets and smartphones.
That said, the LEDs in dedicated readers of course also emit blue light and can potentially have a negative effect on biorhythm and sleep quality. SmartLight technology addresses this “maybe.”
SmartLight
As with the Kobo Aura One, the screen is lit by a combination of cool white (7) and warm white LEDs (6). The following image shows the arrangement of the light sources.
It’s no surprise that the implementation is technically similar to the competing product from Canada. Both Kobo and Tolino develop and manufacture with the Taiwanese company Netronix. This has already been clearly evident with the 6-inchers Kobo Aura and Tolino Vision 1, as well as Kobo Glo HD and Tolino Shine 2 HD.
But back to the point: During the day only the white LEDs are used. They have a visibly cooler (more bluish) color temperature than on the Vision 3 HD. At night, the warm white LEDs switch in, either automatically step by step or manually. At the same time, the brightness of the white LEDs is reduced. The screen is then illuminated by a total of 13 LEDs. The brighter the warm white LEDs shine, the dimmer the cool white LEDs—and vice versa.
The implementation is basically the same as with various programs for PCs, smartphones and tablets (e.g. f.lux): The later it gets, the more the yellow component of the display increases while the white/blue component decreases accordingly.
Compared to the Kobo Aura One, the Tolino Vision 4 HD’s SmartLight is noticeably more yellow. This difference is due to different LED usage. The Aura One’s strong red tint is achieved by driving the RGB LEDs with little green and red. The Tolino Vision, on the other hand, uses warm white LEDs. In numbers (estimated):
- Kobo Aura One: Red 100%, Green approx. 0–30%, Blue 0%
- Tolino Vision 4 HD: 100% warm white
In my view, the Tolino’s more yellow rendering is much more pleasing than the Kobo model’s strong red tint. Not only are the intermediate steps more comfortable to look at immediately after switching, even the full blue light reduction is (subjectively) more attractive and less intrusive.
Because the automatic mode switches only gradually, you hardly notice the change consciously. Your eyes and brain adapt surprisingly quickly to the stepwise adjusted color tone, so that by the end of the day the display still appears whitish despite the substantial yellow component. Only if you look at an unadjusted display in between (e.g. smartphone, tablet or PC), or drag the color temperature slider to the left (to turn the warm white LEDs off completely), does the change stand out clearly.
It actually feels unpleasant if you abruptly exit this “night mode” and switch back to the white-LED lighting.
Whereas the Kobo Aura One lets you individualize the bedtime schedule to ramp up the red component earlier or later, the Tolino Vision 4 HD opts for simplicity here. In other words: you can’t choose your own times. Instead, the automatic blue light reduction follows a preset schedule.
As already mentioned, you can also make the adjustment manually so you can set the desired color temperature yourself at any time.
The only question left is how much the SmartLight function actually improves sleep quality. That’s hard to assess subjectively. Personally, I’ve been using corresponding tweaks on PC and smartphone for years, so I very much welcome the function on an eBook reader and will give it priority in future.
Brightness
The Tolino Vision also does well in terms of lighting quality and allows sensible light control. The maximum and minimum values differ a bit between the cool and warm lighting.
The white LEDs (cool) reach a maximum of 119 cd/m², essentially on par with the Vision 3 HD (120 cd/m²). The warm white LEDs (warm) reach a slightly brighter value at a maximum of 135 cd/m². To the naked eye the difference isn’t really noticeable, as the yellowish light is at least subjectively a bit more pleasant.
Typically you’ll choose a cooler, slightly bluish setting during the day. In the evening and at night you’ll go for a warm setting and also dial the brightness down. The “warm” maximum is therefore of little practical relevance.
The minimum brightness is more important here. The lower you can set the light level, the better it is for night reading. With values of 2.2 and 1.9 cd/m² (see below) you can reduce the brightness sufficiently. That also holds true for the warm color temperature, which generally appears less intense to the eyes.
Maximum screen brightness in cd/m² (higher is better)
- Kindle Oasis 159
- Tolino Vision 4 HD (warm) 135
- Kindle Voyage 122
- Tolino Vision 3 HD 120
- Tolino Vision 4 HD (cool) 119
- Kindle Paperwhite 3 115
- Kobo Glo HD 114
- PocketBook Touch Lux 3 111
- Kobo Aura One 105
- Kobo Aura H2O 99
- Tolino Shine 2 HD 89
- PocketBook Touch HD 79
- Tolino Vision 2 53
Minimum screen brightness in cd/m² (lower is better)
- Tolino Vision 2 2.2
- Tolino Vision 4 HD (cool) 2.2
- Kobo Aura One 2.1
- Tolino Shine 2 HD 2.0
- Tolino Vision 4 HD (warm) 1.9
- Tolino Vision 3 HD 1.7
- PocketBook Touch Lux 3 1.6
- Kobo Glo HD 1.4
- Kobo Aura H2O 1.2
- PocketBook Touch HD 0.8
- Kindle Oasis 0.4
- Kindle Voyage 0.2
- Kindle Paperwhite 3 0.2
It’s also worth mentioning again that you can significantly increase the maximum brightness via a hidden menu item. When you power on the Vision 4 HD for the first time, it only lights at about half intensity. Only when you press and hold the big “sun symbol” in the device settings can you unlock the increased brightness mode.
A note appears warning that battery life may suffer. While I didn’t notice anything of the sort with the predecessor, the runtime of the blue-light-reduced Tolino Vision does in fact shorten slightly. That could be due to the higher number of LEDs.
Ultimately, though, the difference isn’t worth fussing over in my view, since you usually won’t leave the lighting at maximum all the time. On a sunny day, however, the higher brightness setting definitely pays off, improving readability even more.
Lighting quality
In addition to contrast and brightness, uniform lighting is crucial for a good reading experience. As mentioned, the screen is illuminated by 7 cool white and 6 warm white LEDs—and very evenly at that. Distracting brightness and color gradients aren’t visible.
Nor does the Tolino Vision 4 HD show conspicuous color blotches—the biggest risk when LEDs have uneven tints. In this respect, I think it’s a notch better than the Kobo Aura One.
There’s a minimally visible, very slight shadowing at the bottom edge of the screen that doesn’t disturb reading. The faint vertical brightness gradient visible in the photos doesn’t stand out in person.
Finally, the very low ghosting effect is worth noting. The Tolino Vision 3 HD already did well in this regard, and the new Vision 4 HD also shines here. There’s virtually no ghosting during reading. You can safely leave the full-screen refresh setting at “never” and not worry about distracting text artifacts.
At first glance, the Tolino Vision 4 HD looks the same as its predecessor not only in appearance but also technically. On closer inspection, however, it quickly becomes clear that the eBook reader’s hardware has been sensibly improved in detail. The excellently implemented blue-light-reduced lighting mode in particular is a joy.
It remains unclear whether SmartLight really has a positive effect on sleep quality, but even if not, you can use it to perfectly tailor the color temperature to your needs. All in all, there’s currently no other device that can convince with such comprehensive technical features (in the display area) and equally excellent real-world implementation. Even the Kobo Aura One has to take a back seat.
Reading & usability
My test device shipped with firmware 1.8.5; version 1.9.0 was released at launch. While version 1.8.5 appears with the familiar look and usual feature set, version 1.9.0 brings a few visual changes and minor functional improvements.
Initial setup is as easy as ever: first you select the language, then you set up the Wi‑Fi connection (optional), and then you can log into the built-in eBook store (also optional). After a brief introduction summarizing the key functions, you arrive at the familiar home screen.
That also means you still can’t hide the shop recommendations at the bottom. Half of the home screen is still taken up by the recommendation list.
Otherwise, operation proceeds without any great surprises. The most visible change is the redesigned settings menu (from firmware 1.9.0), which now allows faster Wi‑Fi activation and presents the individual menu items more clearly. It’s especially pleasing that the web browser is now prominently placed as the second item, and that Onleihe support has been improved (see below).
Thanks to fast hardware and the Android underpinnings, the system is very quick and runs without issues.
Library and reading
Avid readers will be pleased with the improved library function, which now manages without a proprietary collections mode. Instead, it uses the device’s folder structure, so you can easily manage eBooks with Calibre .
Books can be displayed in a list or grid view. You can also sort by most recent, title and author. Read eBooks can be shown or hidden.
Borrowed eBooks from the Onleihe are now marked accordingly.
If the Vision 4 HD has been linked to the integrated store (Thalia.de in my case), titles in the cloud are also displayed. These are marked with a small cloud icon and can be downloaded with a simple tap (Wi‑Fi connection required).
The built-in shop can’t be changed and depends on where the device was purchased. However, the Tolino alliance offers what’s called “library linking,” which allows eBooks from other Tolino providers to be synchronized as well. In plain English: if you bought the Vision from Thalia but previously bought most of your eBooks from Weltbild, you can link your Weltbild account directly. The eBooks in your Weltbild account will then be synced too.
You open eBooks with a simple tap. In a book you can turn pages with the familiar swipe gesture or by tapping the predefined screen areas. The new Vision also offers the Tap2Flip function. A motion sensor detects when you tap the back. This flips one page forward. After a short acclimation period this works well and reliably, but it can also cause a page turn if you set the device down a bit abruptly. If needed, Tap2Flip can be disabled.
The typography options are good and match the common standard. You can change the typeface (defaults: Bitter, Droid Serif, Fire Sans, Open Dyslexic, Source Sans and Vollkorn, plus the publisher’s font), adjust the font size in nine steps and the line spacing and margins in three steps. Text alignment can be set to justified, ragged right or centered.
You can install your own fonts easily by placing them in the appropriate folder on the device. After disconnecting the USB cable, the eBook reader confirms that the fonts have been installed. If a font can’t be installed, you’ll be notified.
After a tap at the bottom of the screen, the remaining pages to the next chapter are displayed.
Highlights, notes & dictionary
If you press and hold on a word for a brief moment, a context menu opens. With it you can add highlights and notes and use the dictionary function.
Entering notes works flawlessly thanks to the responsive virtual QWERTZ keyboard. Even if you type quickly, all inputs are registered without letters being “swallowed.” Notes are highlighted in dark gray, simple highlights in light gray. Notes are also saved in a separate text file. You can copy this to a PC to process and use it easily.
The dictionary offers two modes: on the one hand you can look up a word in the monolingual dictionary to get an explanation in the respective language. On the other hand, translation dictionaries are also available. The following are included or must be downloaded from the cloud:
- German
- English
- French
- Italian
- Dutch
- Spanish
- English–German
- English–French
- English–Italian
- French–German
- Italian–German
- Italian–French
- Italian–Spanish
- Dutch–German
- Dutch–English
- Dutch–French
- Dutch–Norwegian
- Spanish–German
The data source is Wiktionary, a crowd-sourced dictionary (similar to Wikipedia). While the quality doesn’t match editorially curated dictionaries (like Duden), you can be happy about the wide selection. Unlike most competitors, the Tolino dictionaries primarily translate into German. Competitors usually only offer translation dictionaries into English.
Less well thought out is the full-screen display of the word definition. This makes it impossible to check the word directly in its textual context. Other manufacturers display the definition in a small window so the text in the background remains visible. Such a solution would be desirable here as well.
At the same time, it would also make sense to show the dictionary right away without an extra tap.
PDF viewing
As so often, PDF handling has a few pros and cons. On the positive side, the high pixel density enables razor-sharp rendering. Even large-format A4 documents can be read at original size. The text is tiny, but still legible.
Using landscape mode can improve the display a bit further. You can then enlarge the text size step by step with a pinch-to-zoom gesture, increasing legibility again. In our test, the display of large (up to 100 MB), image-heavy PDF files worked reliably. Depending on the file’s structure and formatting, you may have to expect loading times. Overall, the Tolino Vision 4 HD’s PDF function is very performant. There’s also a text reflow mode.
The biggest drawback is the lack of other display modes. You won’t find margin crop, column mode, contrast enhancement, etc.
Miscellaneous
With the predecessors, the web browser was a hidden highlight. As already mentioned, it’s no longer hidden, but can be accessed prominently as the second menu item in the device settings. It’s a highlight because it comes from the Android system and delivers fast, error-free results. That’s anything but a given on eBook readers.
This makes it easy to visit and read news sites, as well as use alternative shops and the Onleihe directly on the device. You can also save bookmarks, which makes using the browser very convenient overall.
Among the current devices, the Tolino Vision (together with the other Tolinos) offers the best browser on the market—Kindle, Kobo and PocketBook can’t keep up.
Speaking of Android: the Tolino Vision 4 HD can be rooted again. The root package currently available here on the website doesn’t work properly yet, because the lighting control was changed on the new Vision. As soon as the root package has been updated, this review and the guide will be amended accordingly.
Conclusion
With the Tolino Shine 2 HD and the Tolino Vision 3 HD there was already a very positive change of direction on the German digital market about a year ago. For the first time, the Tolino models were technically truly on par with Amazon’s competition.
With the Tolino Vision 4 HD, the booksellers’ alliance goes one step further and even outclasses all three of Amazon’s Kindle models. The technical execution of the new Vision is flawless, and the software is continuously improving in sensible ways (most recently with custom fonts and the new collections function).
In my opinion, the Vision 3 HD didn’t offer enough unique selling points over the cheaper Shine 2 HD to justify the surcharge. With the new Vision that’s changed: it offers twice the storage, water protection, the Tap2Flip function and the convincing SmartLight. The distinction from the cheaper model is now much clearer.
All told, there are only a few points of criticism for the Tolino Vision 4 HD. The first blue-light-reduced 6-incher is almost entirely convincing and excels in all important areas, both hardware and software. As a result, the latest Tolino newcomer easily earns an excellent score of 1.2 and takes the top spot on our leaderboard.
Photos
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Alternatives
There are currently no alternatives with blue light reduction on the German market. The Kobo devices (Aura ONE and Aura H2O) are no longer available here, and other manufacturers (as of August 2017) don’t offer corresponding devices. As a more affordable alternative without blue light reduction, the Tolino Shine 2 HD is recommended; it comes with the same software and an equally excellent, readable screen.
Predecessor
The Tolino Vision 4 HD succeeds the Vision 3 HD and brings one of the biggest innovations in the history of the Vision product line with blue light reduction. Looks, dimensions and weight have remained the same.
Tolino Vision 4 HD: Technical Specifications
General | |
---|---|
Manufacturer | Tolino |
Market launch | 2016 |
Device type | E-Reader |
Device category | Upper mid-range |
Price (USD / EUR) | 169 |
Available colors | black |
Size & Weight | |
Size (L × B × T) | 163 x 114 x 8.1 mm |
Weight (g) | 174 |
Display | |
Technology | E-Ink Carta |
Flexible Display Technology | No |
Size (inch) | 6 |
Resolution (px) | 1448×1072 |
Pixel density (ppi) | 300 |
Colors | No |
Color depth | 16 greyscale |
Touchscreen | Yes, capacitive |
Built-in light | Yes, dual-tone frontlight |
Flush display | Yes |
Connections | |
USB | Micro-USB |
Bluetooth | No |
Wi-Fi | Yes |
Cellular connectivity | No |
GPS | Unknown |
Hardware Specs | |
CPU Cores | Unknown |
CPU Type | |
RAM (GB) | |
Internal Storage (GB) | 8 |
Internal Storage up to (GB) | |
Storage Expansion | No |
Speakers | No |
Microphone | No |
Battery (mAh) | |
Operating system | Android |
Features | |
Text-to-speech | No |
Page turn buttons | No |
Water protection | Yes |
Accelerometer | Unknown |
E-book store | Yes |
Supported file types | ePub, PDF, TXT |
All information provided without guarantee.