Yunseity R11 - Water Proof 7 Days Battery Life Black (12)

Spec: Item Type: Smart Health Ring Material: Stainless Steel Color: Black Battery Type: Lithium Battery (Built in) Battery Capacity: 20mAh Battery Life: Approx. 7 Days Charging Time: Approx. 45 Minutes APP: For Smart Health How to Use: Before use, please scan the QR code to download the app and follow the instructions in the manual. Start up method: fully charge it for automatic start up. Package List: 1 x Smart Health Ring 1 x Charging Cable 1 x User Manual Notice: Manual measurement, please allow some errors.