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
