R10 SIZE 14 Smart Ring, Support Heart Rate Blood Oxygen Sleep Multiple Sports Modes About Product 1. Chipset: Realtek 2. Bluetooth: 5.2 3. Sensor chip: ST LIS2DOCTR 4. Battery Capacity: 14mAh 5. Battery life: 5-7 days of use and 15 days of standby 6. Charging time: About 1.5H 7. Waterproof: 5ATM 8. Size 14: Dia 23mm Circumference 73mm 9. Charging method: Wireless 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 Function: 1. Step count, sleep monitoring, heart rate tracking, exercise data records 2. Health monitoring, pressure, blood oxygen measurement 3. Multiple sports modes, photography, and message reminders 4. Remote Photo, Find Ring, Gesture Control, Games,Female physiological reminders Packing list: Smart ring x 1 Charging cable x 1 User manual x 1 COMPATIBLE retail box x 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.