Zkong Valley ZKC15V-NE4
Characteristics:
✔ Size: 44.5x35.9x12.1 mm
✔ Dot-matrix E-Paper 1.54 inch
✔ LED indicator
✔ EPD display: 27.51x27.51 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