Shrinking an e-reader down to business-card size: the thinnest, lightest e-book reader ever, a palm-sized paper-like device lighter than your phone
Snapping onto the back of your phone is just too convenient š§²
Summary
- Xteink X3 weighs just 58 g, with dimensions close to a credit card, making it one of the slimmest dedicated pocket e-readers available.
- The body has a built-in magnetic back plate that can attach directly to the back of most smartphones, saving you from having to store it separately or use up space in your bag.
- It uses a 3.7-inch E Ink display with crisp, non-glaring text that helps reduce the visual strain caused by blue light from screens.
- By doing away with a touch panel and backlight module and switching to physical buttons instead, it delivers battery life that lasts for weeks and focuses purely on reading EPUB and TXT files.
With big-screen phones and constant social media notifications, focusing long enough to finish even a few pages can be harder than it seems. The ultra-thin, lightweight Xteink X3 handheld E Ink e-reader is becoming a quiet corner in the bags of many minimalists. Weighing just 58 g and measuring a pocket-friendly 3.7 inches, it feels far lighter in the hand than most smartphones, balancing functionality with portability.
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Attach it to the back of your phone and pull it out whenever you want
The X3 has a 3.7-inch screen, and its body falls somewhere between a business card and credit card in size. At just around 58 g, it makes bringing a book with you feel effortless. Its most surprising detail is the built-in magnetic back panel, which attaches directly to the back of smartphones that support magnetic accessories. Simply flip it over while holding your phone to read, turning bringing a book with you into an everyday habit that takes up no space at all.
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A 58 g body nearly the size of a business card
To achieve such lightness in a tiny form factor, the Xteink X3 makes clear trade-offs in its specifications. It forgoes a touchscreen and front light for nighttime reading, relying instead on physical buttons along the side and front for turning pages and switching functions. Its 3.7-inch E Ink e-paper display keeps text especially clear in outdoor sunlight, without the glare and eye strain of a conventional LCD screen. This pared-down hardware design significantly reduces unnecessary power use, provides standby battery life of up to several weeks, and creates the calm feeling of reading on physical paper.
It’s not intended to replace a large, front-lit flagship e-reader at home. Instead, it’s designed as an ultra-light reading accessory to carry with you, one that can even attach directly to the back of your phone. If most of your reading happens in brief pockets of time during your commute, this pocket-sized device, which you can barely feel in your hand, can bring more uninterrupted reading time into everyday life.
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