$99 Xteink X4 Pro 4.3-inch touchscreen eReader to support CrossPoint Reader open-source firmware

Xteink X4 Pro is a pocket-sized eReader with a 4.3-inch touchscreen E Ink display, a 16GB microSD card, 2.4 GHz WiFi and Bluetooth wireless connectivity, and a 1100 mAh battery. Previous models like the X3 and X4 e-readers were based on the ESP32-C3 RISC-V mi…