Available now
Xteink X3
The smallest one — 58 g, snaps to the back of your phone.
A 58 g, 3.7-inch E Ink reader that rides the back of your phone on magnets, and charges over pogo-pin, not USB-C.
Save 21%
$79 $62.10 code XTEINK10%
Buy on xteink.com
Also at AliExpress
Prices vary by store and over time — confirm on the linked page before buying.
Specs
| OS / platform | Proprietary firmware * |
|---|---|
| Screen | 3.7" E Ink |
| Resolution | 259 PPI |
| Front light | No |
| Touchscreen | No |
| Chip | ESP32-based * |
| Storage | 16 GB microSD, exp. 256 GB |
| Charging | Magnetic pogo-pin |
| Battery | 650 mAh |
| Dimensions | 97.6 × 63.7 × 5.1 mm |
| Weight | 58 g |
| Thickness | 5.1 mm |
| Magnetic mount | Yes |
Get more out of it
- Accessories that fit the X3 — cases, lights, screen protectors.
- Guides — setup, firmware, and getting books on it.
- Firmware — CrossPoint and the community builds.
Compare with the lineup
Put the X3 side by side with X4, S4, X4 Pro — add or drop any device and see the specs and colours line up.