Product Parameters:

Name: Smart Ring

Color: Black,Silver,Gold

Size: 8.9.10.11.12.13.14

Battery capacity:16mah

Theory Standby time:16-20 days

Normal using time:3-4 days

Charing time:2H

G Sensor:SC7A20

Heart Rate Sensor:Tianyi 3918

Waterproof Level:5ATM class waterproof, diving or snorkeling can be worn to support more than 50 meters depth waterproof

Charging Requirement:Charging 1A or less

Compatible System：Android 9.0 and above; Apple IOS 10.0 and above