R11M SIZE 7 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes

About Product
1. Main Chip: AC6323
2. Bluetooth: 5.0
3. Sensor chip: SC7A20H
4. Battery Capacity: 20mAh
5. Battery life: 3-5 days of use and 7-10 days of standby
6. Charging time: About 1-2H
7. Waterproof: IP68
8. Size 7: Dia 17.3mm; Circumference 54.3mm
9. Charging method: Magnetic charging
10. Compatible system: Android5.1 or above, iOS8.0 or above
11. APP: Smart Health
12. APP support language:English, Simplified Chinese, Traditional Chinese, Russian, Ukrainian, German, French, Italian, Spanish, Portuguese, Polish, Greek, Romanian, Hungarian, Czech, Slovak, Irish, Croatian, Swedish, Danish, Finnish, Arabic, Farsi, Norwegian, Japanese, Korean, Thai, Vietnamese

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