... ,Windows Mobile6.0 or Symbian S60 smartphone operating system compatible. Receiver sensitivity:-75bm (standard) up to 4bm, low radiation Modulation: 2 ... venture company.ATI Electronics offers Bluetooth Headsets,bluetooth stereo headsets,bluetooth over the head headset, bluetoothcarkit, bluetooth speaker, bluetooth mouse, Bluetooth dongles,Pager, pager system, 3G ...