Zkong Blade ZKC21B-NE4
Characteristics:
✔ Size: 71x34.7x9.5 mm
✔ Dot-matrix E-Paper 2.13 inch
✔ LED indicator
✔ EPD display: 48.55x23.7 mm
✔ Operating temperature: 0°~40C
✔ Removable battery with a capacity of 600 mAh
✔ NFC and Bluetooth BLE 5.0 with low energy consumption
✔ Multicolor, 4 colors