R11M SIZE 13 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes(Black)

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 13: Dia 22.2mm; Circumference 69.7mm
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