Mingzhe Smart Ring - 13 ID: 22.2mm/0.87in, Circumference: 69.7mm/2.74in

[Fast Charging & Waterproof​] Ultra-low power consumption for quick one-hour charging and extended standby time. ip68 waterproof​ rating for use during swimming or in the rain. [ Control Technology] Take photos or browse short videos with simple hand gestures. integrate technology seamlessly into daily tasks for convenience. [Advanced Health Tracking] Monitor sleep and daily activity data, sync with the app for real-time body status tracking and develop healthy​ ​ habits. [High Definition ​] Easily view time, sports data, and notifications on the ​. smooth operation for a smart touch experience at your fingertips. [Premium Stainless Steel Design] Outer ring​ crafted through precise cnc processes for durability. inner ring​ made of skin-friendly material for comfortable wear. Spec: Item Type: Smart Ring​ Material: Stainless Steel Battery Type: 20mAh Battery (Shipped with Built in Battery) Waterproofing Level: IP68 Compatibility: for Android 9.0 and above, for iOS 10.0 and above ​ Version: 5.3 ​ Distance: 3-5 meters Package List: 1 x Smart Ring​ 1 x Data Cable 1 x User Manual How To Use: Download the app first, then connect. The ring​ will automatically turn on when fully charged. Note: