3.7″ ESW Label

3.7″ Dot Matrix EPD Graphic Screen ESL, white frame, BWR screen

– EPD / E-ink Screen (black, white, red colors)
– BLE 5.0 with ultralow-power consumption
– Dimension：104*56.4*11.2mm
– Working Temperature：0~40℃
– Battery：1200mA
– 3.7″ Dot-matrix E-paper
– LED Indicator
– Removable Battery
– NFC