R3 SIZE 20 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring(Gold)

About Product1. CPU: Original phase 28602. Bluetooth version: BLE 5.13. Battery capacity: 18 mAh4. Standby time: about 45 days5. Working time: about 3-5 days6. Charging time: 0.5 hours7. Acceleration sensor: QMA6100P8. Heart rate sensor: HX36059. Charging cable: magnetic charging cable with patch protection IC10. Waterproof level: IP6811. Charging requirements: charging 1A or less12. APP: Nx RING13. APP supports languages: Chinese, English, Japanese, Korean, German, French, Spanish, Arabic, Russian, Italian, Portuguese, Hindi, Ukrainian, Polish, Dutch, Malay, Greek Arabic, Indonesian, Turkish, Slovak, Czech, Thai, Romanian, Xhosa, Slovenian, Greek, Hungarian, Vietnamese, Lithuanian, Urdu, Bulgarian, Croatian , Latvian, Estonian, Swedish, Khmer, Danish, Bengali.14. System requirements: Android5.0+ / iOS10.0+15. Size 20 (inner diameter and circumference 62.1mm)Functions: supports heart rate detection, blood oxygen detection, sleep monitoring (sleep time, sleep quality), body temperature detection, remote photography, multiple exercise modes, step counting, and synchronization of data to APK/APPPacking