1. Bluetooth 3.0 interface standard

  9.Standby Time: > 100days

  2. Operating Distance: 10 meters 

  10. Charging Time: 2-3 hours

  3.Modulation system: GFSK

  11.BatteryCapacity: 200mA

  4. Operating Voltage: 3.7-4.2V

  12.Uninterrupted working time: 40-45hours

  5.Operating Current: 2.5-3.5mA

  13.Lithium battery life:3 year

  6.Standby Current: < 0.2mA

  14.Key Strength:8 ± 10g

  7.Sleeping current: < 40uA

  15.Key life: 5 million strokes

  8.Charging current: > 500mA

  16.Operating Temperature: -10 to +55℃