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 microcontroller, but the company has not disclosed which MCU was used in the new X4 Pro model. However, a recent comment on GitHub points to the X4 Pro featuring a more powerful ESP32-S3 microcontroller.Xteink X4 Pro specifications:
SoC – ESP32-S3 microcontroller (TBC) with 2.4 GHz WiFi 4 and Bluetooth wireless connectivity
Storage – 16 GB microSD card; expandable up to 256 GB
Display
4.3-inch touchscreen E Ink display; 219 PPI
