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The Xteink X3 makes a tiny eReader practical for short reading sessions and easy carry—but its 3.7-inch screen, lack of a front light, and limited controls make it a poor fit for every reader. The headline’s “3-inch” is a rounded description; the manufacturer specifies a 3.7-inch display.
What the Xteink X3 is—and what makes it different
The X3 is a compact eReader built around portability rather than a roomy page. Xteink lists it at 58 g and 5.1 mm thick, with a 259 PPI display, 16 GB of storage expandable by microSD up to 256 GB, and a 650 mAh battery. Those are manufacturer specifications, not independent test results. Xteink’s X3 product page also lists physical page-turn buttons, 2.4 GHz Wi-Fi, Bluetooth, and file transfer through an app or microSD card.
The basic trade-off is simple: it is easier to keep close at hand than a conventional eReader, but a much smaller screen gives each page less space. Its appeal is strongest when you want to read in brief idle moments, not when you want the most spacious or flexible reading setup.
Can you read full-length books on a 3.7-inch screen?
Yes, but “can” is different from “will enjoy.” A full-length book can be read page by page on the X3, though the small display means less text fits at once and more page turns may be needed than on a larger reader. Font size, layout, eyesight, and personal preference all affect whether a particular session feels comfortable. Try your usual reading format and a representative passage before deciding that the compact screen suits you.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Saahil Desai, a senior editor at The Atlantic, described using the X3 for several weeks. He wrote that he spent ten hours paging through Robert Caro’s The Power Broker, finished three books in one month after finishing one in the previous two months, and found the text easy to read. He also said three hours of reading did not strain his eyes. These are Desai’s personal experiences, not a controlled test or a guarantee that the same screen will feel comfortable to someone else. His September 6, 2026, account captures the central appeal: “The X3 is great because of its size, not in spite of it.”
What you give up with the smaller reader
No built-in front light
Xteink’s detailed specifications say the X3 has no front light. You will need ambient light to read, so it is not a self-contained choice for a dark bedroom, dim commute, or other low-light setting. An external reading light may be an option, but check that a light is compatible and practical with the X3’s small dimensions before buying one.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
No touchscreen
The X3 uses physical page-turn buttons and does not have a touchscreen. That suits readers who prefer tactile page controls, but it rules out touch-based navigation on the device. The buttons are a defining part of the experience rather than a smaller version of a standard touchscreen eReader.
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Desai found the device’s preloaded software flawed and finicky, reporting problems with book covers and some text formatting. He also described the reader as plasticky. Those observations come from his use of the device and should not be treated as a universal assessment of every firmware version. They are useful reminders that a compact screen is only one part of the experience: software presentation and handling matter too.
Will your books transfer and open?
Xteink’s detailed specification list names EPUB and TXT documents, plus JPG and BMP images. The product page describes app transfer and microSD card transfer. It does not establish seamless access to every bookstore or library catalog, so check that your existing files and transfer routine work with the X3 before relying on it as your main reader.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Desai reported that transferring Amazon books was not a one-click process in his workflow. That is a report about his experience, not proof that every possible transfer method or current firmware behaves the same way. If most of your reading comes from a particular store or library, confirm its format and transfer requirements rather than assuming the X3 works like a device tied directly to that service.
There is also a specification discrepancy to keep in mind: the detailed X3 list is narrower than a comparison table on the manufacturer’s page, which lists more formats for the X3 and X4 Pro. Firmware and version details may matter. Verify support for the files you intend to use instead of treating the broader comparison-table list as a guarantee for your particular device.
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- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Xteink X3 or X4 Pro: which fits better?
The X4 Pro is the more capable option on the manufacturer’s comparison page, while the X3 is smaller and lighter. The figures below are manufacturer-listed specifications; they are not independent measurements.
| Feature | Xteink X3 | Xteink X4 Pro |
|---|---|---|
| Display | 3.7 inches | 4.3 inches |
| Weight | About 58 g | About 72 g |
| Controls | Physical buttons; no touchscreen | Touchscreen and buttons |
| Front light | No | Yes |
| Battery capacity | 650 mAh | 1100 mAh |
| Storage | 16 GB, expandable to 256 GB | 16 GB, expandable to 256 GB |
| Formats in the manufacturer’s comparison table | TXT, EPUB, MOBI, PDF, PNG | TXT, EPUB, MOBI, PDF, PNG |
The format row reflects the manufacturer’s comparison table, not the narrower detailed X3 specifications. Confirm the exact firmware and file support for the unit you plan to use. The Atlantic also characterizes the X4 Pro as slightly larger and more expensive than the X3; no current price comparison is established here.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
How to decide whether the X3 suits your reading
- Choose the X3 if: you value very low weight, want to keep a reader close for short breaks, prefer physical page-turn buttons, and can read with available room light.
- Consider the X4 Pro if: you want a larger display, a front light, or touchscreen input and accept a little more weight.
- Look beyond both if: you need a roomy page for long sessions, rely on dark-room reading, or need a verified, direct workflow for a specific store or library.
Before choosing, check six things against your actual routine: whether you will carry it everywhere, whether you need a front light, which controls you prefer, how your books transfer, whether your formats are supported by the relevant firmware, and whether the screen feels comfortable for your typical book and session length.
Price, stock, and accessories
Prices and inventory change. Xteink’s product page displayed $69 and “Sold out” for the selected US configuration when accessed October 7, 2026; that is a dated listing, not a current availability promise. The Atlantic reported a $69 Amazon price in its September 6, 2026 article, also a historical figure. Check the listing for your region before making a purchase.
The manufacturer lists an X3 protective case and screen protector. Check current stock and marketplace compatibility, particularly if you plan to use an accessory with a phone-mounted setup.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
