1, standard Bluetooth 3.0 interface
2, effective working distance 10 meters
3, modulation method: GFSK
4, working voltage: 3.0-4.2V
5, working current: <2.5mA
6, standby current: <0.3mA
7, sleep current: <40uA
8, charging current: >200mA
9, standby time: >100 days
10, charging time: 2-3 hours
11, lithium battery capacity: 350mAh
12, sustainable working hours: 150 hours
13, battery life: 3 years
14, button force: 80 ± 10g
15, button life: 5 million hits
16, working temperature: -10 - +55 degrees
17, charging method: magnetic