R18 SIZE 8 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes(Black)
Description
About Product 1. Main Chip: Dialog DA14531-012. Bluetooth: 5.13. Sensor chip: SC7A204. Battery Capacity: 17.5mAh5. Battery life: 8-10 days of use and 10-15 days of standby6. Charging time: 2H7. Waterproof: IP658. Size 8: Dia 18.2mm/0.72 inch9. Charging method: Magnetic charging10. Compatible system: Android5.0 or above, iOS10.0 or above11. APP: JRING12. APP support language: multilingual languagesPacking list:Smart ring x 1Charging cable x 1User manual x 1Original retail box x 1
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