A hands-on review of the Xteink X4 Pro, a MagSafe-compatible E Ink e-reader, praising its responsive touchscreen, excellent frontlight, long battery life, and lightweight design. The reviewer highlights the unlocked bootloader and vibrant CrossPoint firmware community built around its ESP32 microcontroller, while noting the lack of native USB-C as a frustration.
Background
Xteink is a Chinese electronics brand known for compact, open-hardware E Ink e-readers and tablets targeting developers and tinkerers. The X4 Pro is a phone-attachable E Ink display running on an ESP32 microcontroller with a customizable firmware ecosystem.
- Source
- Lobsters
- Published
- Sep 10, 2026 at 11:05 PM
- Score
- 5.0 / 10