2 in 1 Bluetooth Audio AdapterAs a Bluetooth audio transmitter (TX mode), turn TV, PC, CD player, iPod, laptop, tablet, MP3/MP4 (including but not limited to) into a Bluetooth transmitter with 3.5mm jack input port. As a Bluetooth audio receiver (RX mode), it is ideal for home or vehicle music streaming audio system. Enjoy HIFI CD-like sound freely. Low LatencyYou can connect your wireless headphones to your TV to watch the movie at night without disturbing others. And you can also enjoy a comfortable driving with beautiful music and hands-free calls with this Bluetooth adapter. Plug and Play+Bluetooth 5.0USB power supply - No charging required. Pocket size, portable to carry it by your side. No driver required, plug and play. Bluetooth 5.0, the latest Bluetooth technology, for excellent stability and connection. Hands-free CallingBuilt-in microphone and simple one-button operation allow you to enjoy hands-free calling while driving.