R11 SIZE 13 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes(Black)

About Product 1. Chipset: Realtek2. Bluetooth: 5.23. Sensor chip: ST LIS2DOC4. Battery Capacity: 15mAh5. Battery life: 5-7 days of use and 15 days of standby6. Charging time: About 1.5H7. Waterproof: 5ATM8. Size 13: Dia 22.3mm; Circumference 70mm9. Charging method: Wireless charging10. Compatible system: Android5.1 or above, iOS8.0 or above11. APP: QRing12. 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, MalayFunction:1. Step count, distance, calorie calculation2. Health management: heart rate measurement, blood oxygen saturation, sleep tracking, multiple exercise modes, stress, heart rate variability3. Touch function: single point switching display function4. Display: time, steps, heart rate, battery level, likes count5. Other functions: remote control for taking photos, searching for rings, gesture control, gaming, female cyclePacking list:Smart ring x 1Charging cable x 1User manual x 1Original retail box x 1