1. Chip: BES 230s / PPG Chip : HRS3300
2. Screen : 0.96 "TFT color screen, resolution: 80*160 
3. Bluetooth : 5.0 ultra low power consumption
4.Battery : 100mAh
5. Bracelet memory: 128k ram 256k rom
6. Motor: Flat O827 / Sensor: sc7a20
7. Charging way: Clamp
8. Waterproof: Life waterproof
9.Function: Bluetooth headset call, reject call, call number,AI voice control,Heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, sleep monitoring,Step, distance, heat. (running, mountain climbing, cycling mode,Remind function call reminder, alarm clock,Incoming breathing lamp.