Operating distance: 10m
Modulation system:GFSK
Working voltage: 3.3~4.2V
Charging current: <250mA
Charging time: 3 hours
Working temperature: -20~50°C
Charging temperature: 0~45°C
Battery capacity: 500mAh
Standby time: >90 days (Fully charged)
<5 hours (with backlight on)
Continuous working time: <70 hours
(turn off backlight / turn on touch)