... 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 v1.2Compliant with ... : 3MbpsSensitivity: -89dBM at 0.1% BER100M operating range128-bit secure encryptionSupports dial-up networking, local area network access, ...