1.Bluetooth Compatible: This bluetooth audio adapter supports 3.5mm auxiliary audio and is also compatible with all smartphones, bluetooth audio devices (bluetooth headphones, bluetooth speakers, etc.). 2. Transceive mode: With this wireless adapter, you can easily send and receive all audio for free. The transmitter allows your TV, AV receiver, radio, and other home audio sources to stream music to Bluetooth headphones or speakers; the receiver allows non-Bluetooth devices (such as your home stereo or AV receiver) to stream music from your 3 Via a wireless network. Wireless Features: Want to watch football/baseball/boxing/golf/NBA games at night without waking anyone up? This is a great option for you. A Bluetooth transmitter allows you to wirelessly stream audio from a TV or older media device (such as a portable CD player without built-in Bluetooth) to a Bluetooth speaker or headset.