The BlueSENSE TRM Bluetooth Audio Transmitter from GOGroove is a transmitter that allows you to wirelessly stream audio over Bluetooth from an MP3 player, computer, DVD player, tablets and more. Simply plug it into the headphone jack of your device and pair it with a Bluetooth speaker, receiver or pair of headphones for wireless listening. The device supports Bluetooth 2.1 A2DP and allows a maximum wireless range of 30'. The transmitter recharges by USB, and runs for up to 10 hours on a charge.