R6 SIZE 11 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring(Black)

About Product
1. Main Chip: Pixart 2860
2. Bluetooth: 5.1
3. Sensor chip: QMA6100P
4. Heart rate sensor: HX3605
5. Battery Capacity: 18mAh
6. Working time:About 5-7days
7. Charging time: About 0.5H
8. Waterproof: IP68 waterproof
9. Size 11: Diameter 20.6mm; Perimeter 64.6mm
10. Charging method: Magnetic charging
11. Compatible system: Android6.0 or above, iOS11.0 or above
12. APP: ECTRI

Packing list:
Smart ring x 1
Charging cable x 1
User manual x 1
Original retail box x 1