Description
Features & specifications
- EPD / E-ink Screen
- BLE 5.1 with ultralow-power consumption
- 3.1" Dot-matrix E-paper
- LED Indicator
- Removable Battery
- NFC
- Colours: Black / White / Red / Yellow
- Dimensions: 69.3*63.6*9.7 mm
- Working temperature: 0~40°C
- Battery: 1200 mAh
- Screen: 54.3*54.3mm
Ordering more than 1000 pcs? Get in touch with us for a project quote.
