Smart Ring Size:20

Specifications Bluetooth: 5.2 Battery capacity: 23mAh, 3.7/4.2V lithium battery Standby time: 60 days Usage time: 7 days Waterproof level: IPX8 Compatible system: Android: 6.0 or above or iOS: 11.0 or above Main Features Heart rate, blood oxygen, blood pressure, sleep health monitoring Sports pedometer measurement and
Specifications Bluetooth: 5.2 Battery capacity: 23mAh, 3.7/4.2V lithium battery Standby time: 60 days Usage time: 7 days Waterproof level: IPX8 Compatible system: Android: 6.0 or above or iOS: 11.0 or above Main Features Heart rate, blood oxygen, blood pressure, sleep health monitoring Sports pedometer measurement and multi-sport modes With a rechargeable battery box, charge anytime and anywhere Language: English APP name: SmartHealth

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Smart Ring Size:20