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Compact $79 e-reader sticks magnetically to Apple iPhone

Xteink X3 is one of the smallest e-readers on the market with a 3.7 inch display.
ⓘ Xteink
Xteink X3 is one of the smallest e-readers on the market with a 3.7 inch display.
An affordable e-reader with a 3.7-inch e-ink display and a weight of 58 grams could hardly be more portable - the Xteink X3 aims to win over bookworms with its compact body. The e-reader can be attached to the back of a smartphone using integrated magnets.

After the launch of the Xteink X4 last year, the manufacturer is now expanding the range with the X3, which is even more compact with a screen diagonal of 3.7 inches. With dimensions of 98 × 64 × 4.98 millimeters and a weight of 58 grams, the new model is not only smaller and lighter, the manufacturer is also advertising a series of significant hardware upgrades.

First and foremost, the magnets should now offer extended compatibility, allowing the e-reader to be magnetically attached to the back of even more Qi2-compatible smartphones such as the Apple iPhone 17 ($780 on Amazon). Xteink adds an NFC chip, pogo pins for charging and a gyroscope so that pages can be turned by shaking the device. The display is not a touchscreen, instead buttons are used to navigate through the simple operating system, which is mainly used to manage books.
 


The display achieves a pixel density of 250 PPI, instead of the 220 PPI of the older X4. E-books can be stored on the 16 GB microSD memory card supplied. Books can either be copied directly to the microSD card or transferred wirelessly from a smartphone. The 650 mAh battery should provide a battery life of 10 to 14 days when reading for an average of one to three hours a day.

Prices and availability

The Xteink X3 e-reader is available immediately at the manufacturer's online store for $79. International shipping costs $8. The price does not include potential sales tax and customs duty.
 

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 04 > Compact $79 e-reader sticks magnetically to Apple iPhone
Hannes Brecher, 2026-04- 2 (Update: 2026-04- 2)