Enable Bluetooth wireless audio streaming from virtually any source with the TaoTronics TT-BA01U Bluetooth Audio Transmitter. It is equipped with Bluetooth 2.1 connectivity and can communicate with Bluetooth-compatible headphones or speakers up to 30' away. It connects to your source via its 1/8" input and includes an RCA adapter for more versatile connectivity. If used in a stationary location, you can keep it plugged into a USB adapter for continuous transmission. Its built-in rechargeable battery will last up to 7 hours when transmitting, or up to 140 hours in standby mode.