... chip with bluetooth2.0 InterfaceLeather case with built-in bluetooth keyboard keypad84 key,with 17 ipad ipad shortcuts key ... main chip, with bluetooth2.0 Interface 2, using the Bluetooth industry leading software solutions, WIDCOMM BTW (Microsoft officially designated ... Mobile6.0 or Symbian S60 smartphone operating system compatible. 4 Receiver sensitivity:-75bm (standard) up to 4bm, low radiation 5, ...