NANO BLU Amplifier Optional Bluetooth Dongle                                                                                                                                                                                                                                                                                      Wirelessly streaming audio into your vehicle is easy with the UBT-1 Bluetooth dongle from Massive Audio. It works exclusively with all 2, 4 & 5 Channel NANO BLU and TRIDENT Multi-channel Amplifiers as well as the "B-LYNX" OEM line converter. Thin, fixable and shrink wrapped to prevent moisture damage it can be installed by simply inserting the USB plug into the model chosen.