Battery Protection: Support lithium battery protection: Under-discharge protection voltage is 2.8V. Overcharge voltage when fully charged is 4.2V.
Operating temperature range: (-20-50℃)
Charging management circuit: The MCU has a built-in charging management PMU. The configurable charging current range is 5-300mA. It supports anti-reverse connection and short-circuit charging protection
Battery Capacity: 15mah-20mah(optional)
Charging time: one hours
Theory Standby time: 12-15 days
Normal using time: 5-7 days
Charging: Magnetic charge cable
Compability: Android 5.0 and above; IOS 10.0 and above
Compability Software: LuckRing
APP Funtion
[Motion data] Accurate distance / accurate calorie data / accurate step count
[Multisports] Conventional Motion GPS Track
[Step&G-sensor] Self-developed ring precision step counting algorithm, with an accuracy rate of more than 95% (compared to Garmin sports watches).
[Heart rate] APP launches heart rate test / Dynamic rate trend and data analysis / Heart rate historical data