Product Parameters:
  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℃

Fetures:
Universal Qwerty Keyboard is compatible with Apple, Android, Windows tablets.
Super thin, only 4mm thickness
Folding cover closes over tablet to keep stray dust and fingerprints away from your new device.
40 hours of continuous work time; 3 hours for a full charge; built-in rechargeable lithium battery