Check the listing for details. Bluetooth 5.4 Receiver Transmitter Wireless 3.5mm AUX to RCA Audio USB Adapter. Condition: New. Listed at 14.09 USD. Bluetooth Receiver Make Home Entertaiment System Wireless - If you wanna transform home wired device into bluetooth ones, the Bluetooth audio adapter can meet your needs. Wireless receiver is equipped with 3.5mm AUX/RCA/U disk input, which Bluetooth-enable virtually any of wired audio devices at home. You can use it to pair phones to play music through home theater. Bluetooth 5.4 Audio Adapter for Music Streaming - The Bluetooth 5.4 technology to provide longer transmission distance and stronger connection, audio won’t cut in/out easily. You just need to connect it with Non-Bluetooth devices, then they can be upgraded to Bluetooth devices, you can connect two phones' Bluetooth at the same time. It supports a working range of up to 65ft, giving you enough space to relax and enjoy a musical.