Outer Surface Material: Zirconia ceramics
Product Weight :5.5 gram
Battery Capacity: 18 mah Lithium-ion batteries
Battery Time :3 days, depending on the frequency of use
Charging Ways: Use the charging cable provided, USB rated 5V
Charging Time :45 minutes
Light Emitting Sensor: LED of all visible colors, safe and friendly for users
Connection Method: Low-power Bluetooth 5.0
Software Program :Update Updates through software applications
Software Compatibility:AppStore, Google Play
Waterproof Level:IPX 68
Package Included :1x Smart Ring
1x Charging Cable
1x User Manual
Historical data saved for 7 days with scrolling save
Multi sport mode :running, cycling, skipping rope, fitness, mountaineering, yoga, golf, dance。
1. Celsius and Fahrenheit are interchangeable
2. Kilometers and miles are interchangeable
3. Waterproof level 5. Battery working time up to 3 days
4. App display will not delay when pressing Test button
5. More accurate sensors.