DI-M3 | SMART BAND

Bluetooth chip: mcube st17h25 Heart rate module: Tianyi composite core hrs3300 Sensor: Rohm kx023 Display screen: 0.96 inch TFT 80 * 160 pixel Battery capacity: 90mah standby time: about 20 days Working time: about 7 days.

Bluetooth chip: hs6620d Heart rate module: hrs3300 Sensor: mc3613 Display screen: 1.33t 240 * 240 Battery capacity: 150mah Standby time: about 15 days Working time: 3-4 days