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About Product 1. Main Chip: RF032. Bluetooth: 5.03. Sensor chip: STK83214. Heart rate sensor: Vcare VC30F (Real heart rate)5. Battery Capacity: 17m. Ah 6. Battery life: 5-7 days of use and 15 days of standby 7. Charging time: About 1H8. Waterproof: IP68 waterproof 9. Size No.11: Dia=20.6mm; Perimeter=64.6mm 10. Charging method: Magnetic charging 11. Compatible system: Android 5.1 or above, iOS8.0 or above 12. APP: Qring (Connect the ring to the phone)13. APP Qring support language:English, 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, 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
