R03 SIZE 7 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes(Rose Gold)

About Product
1. Main Chip: RF03
2. Bluetooth: 5.0
3. Sensor chip: STK8321
4. Battery Capacity: 15mAh
5. Battery life: 5-7 days of use and 15 days of standby
6. Charging time: About 1H
7. Waterproof: 5ATM
8. Size 7: Dia 17.5mm; Circumference 55mm
9. Charging method: Magnetic charging
10. Compatible system: Android5.1 or above, iOS8.0 or above
11. APP: QRing
12. APP support language:Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Türkiye, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay

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