R13 SIZE 9 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Motion Sensing Game(Black)

About Product:
1. Main Chip: OM6626A
2. Bluetooth: 5.3
3. Sensor chip: SC7A20H
4. Heart rate sensor: HX3918
5. Battery Capacity: 16mAh
6. Working Time: 3-5 days
7. Charging time: About 2H
8. Waterproof: 5ATM
9. Size 9: Dia 19mm; Perimeter 59.7mm
10. Charging method: Magnetic charging
11. Compatible system: Android6.0 or above, iOS11.0 or above
12. APP: ECTRI

Function:
1. Heart rate detection,blood oxygen test,blood pressure detection
2. Temperature measurement,remote photography,motion-sensing game
3. Gesture interaction,multiple sport modes,sleep detection (Sleep time ,Sleep quality)
4. Step count,synchronous data to APK/APP

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