German bluetooth keyboard for iPad/ wireless keyboard
Work with 2*AAA battery                                                    LED for bluetooth connection                                 Bluetooth V3.0, support Apple & Windows system                                                             
The wireless bluetooth keyboard
1) Product instruction ﹕
System Support: windows/ipad/iphone
2)Electrical specification﹕
  A. Working  frequency: 2.400GHz-2.483GHz
  B .Working distance: 10m
  C .Battery : (AAA)* 2
  D. Working voltage: 1.8V-3.3V
  E. Working current : <2mA @ 3V
  F.  Sleeping current : <50uA @ 3V
  G. Sleeping model: The keyboard automatically enter sleep mode when you are not using in 20 minutes.
  H. Sleeping waking way: To press any key