usb bluetooth dongle v1.2 1,Bluetooth Dongle with different colors 2,LED indication 3,128-bit secure encryption usb bluetooth dongle v1.21,Bluetooth Dongle with different colors2,LED indication3,128-bit secure encryption Features:usb bluetooth dongle v1 ... , generic object exchange and audio profileSystem requirement: Notebook PC with USB port, Windows 2000, XP and Vista OS usb bluetooth dongle v1.2