Fitiger Health Ring Fitness Tracker Smart Ring for Heart Rate/Sleep Tracking/Body Temperature/Pedometer/Blood Oxygen/Bluetooth 5.0/IPX8 Waterproof with Portable Charging Case for Women&Men (Updated)
Upgraded details: 1. Celsius and Fahrenheit are interchangeable 2. Kilometers and miles are interchangeable 2. Waterproof level 3. Battery working time up to 3 days 4. App display will not delay when pressing Test button 5. More accurate sensors. 6. A 200mAh portable charging case, allowing you to charge anytime and anywhere, ensuring uninterrupted health…