.-In Transmitter mode, turn a non-Bluetooth TV, PC, CD player, etc., into Bluetooth transmitter. Receiver mode: Ideal for home or vehicle music streaming sound system. -Simply connect this bluetooth audio receiver to your line-in or auxiliary input on your speakers, pair it to your Bluetooth enabled device, and enjoy the wireless music revolution. – Simple operation, 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver.