DF2A7E1AEF7E4ED98799A2438A7B3864
Power supply method: Battery
Charging method: USB
Function timing
Display mode: digital
Colors: Black, White, Pink
Battery life of over 12 hours
Working principle: CES microcurrent pulse
Built in battery capacity of 100mAh-300mAh (inclusive)
Is there a built-in battery








