Cuifati Smart Health Ring - 20

Comes with 'APP: Smart health ring tracking data can be viewed for free on 'mobile application, no subscription fees. This device supports Android 6.0 and iOS 11.0 and above. Specifications: Item Type: Smart Health Ring Material: aluminum alloy and titanium, stainless steel Weight: approx. 75g/2.6oz Battery: 18mAh polymer lithium-ion battery (built-in) Bluetooth version: BT 5.1 Working time: 3 to 5 days Charging time: 0.5 hours Waterproof level: IP68 Charger requirements: charging with 1A or less than 1A charger APP: for Nx RING (download from the store for Android or iOS or scan the QR code in the manual) Requirements of : For Android: 6.0 or above for iOS: 11.0 or above Functions: temperature detection, camera remote control, multiple sports modes, sleep monitoring, pedometer, data sync with APK APP, NFC, etc. How to use: Remove the product and refer to the instructions for use Packing List: 1 x Smart Ring 1 x USB cable. 1 x User Manual