Feature:
1. The main feature: heart rate monitoring, blood pressure, blood oxygen, step monitoring ,sleep monitoring,lift the arm to light the screen
2. Screen size: 0.96 "OLED screen
3. Bluetooth: BLE4.0
4. Weight: 35G
5. Battery: 80mAh
6. Standby time: 5-8 days
7. Charge: one hour
8. Data storage: 3-4 days
9. Product Size: 253.8 * 39.8 * 9.6mm
10. Memory: 32KB + 256KB