Features: [High-quality Sound Effect] Adopts Advanced BT 4.0 Module which lets it gets high-quality sound effect with A2DP AVRCP, and its Built-AEC echo cancellation and noise cancellation circuit ANC, offering and allows you to enjoy gorgeous and more pure stereo sound without wire restriction or watch TV quietly without disturbing your family members. [Magical Function] Change traditional DVD, TV, Notebook or PC into a BT-enabled one. After connected with them (via 35mm audio cable, support AUX IN), B5 can transmit the audio files of them to the BT-enabled Receiver devices (such as, Headset, Speaker, BT Receiver, etc). Also support automatic search for BT devices to realize connect and automatic memory connected function, easier operation, more convenient. [Fully Compatibility Strong Signal] With advanced BT 4.0 solution, B5 is compatible with most BT-enabled devices (such as, Headphones, Speakers, Music Player, etc)and pair with them quickly and support transmitting music signal from up to 10 meters (33-feet) away. B5 comes with external Antenna which can enlarge the BT transmitting range and enhance the stability of the signal. [Power By USB] With USB port, you can plug and play this transmitter easily and no need any other driver software, powered by USB, there is also no time limited. [Compact Portable Size Lightweight] Measuring Size 82 * 25 * 10 mm and weigh 16g. You can conveniently enjoy BT music anytime and anywhere. Highlights: Wireless Freedom: No more tangled wires, no more stretched cables, pair B5 with any BT-enabled devices such as, Headphone, Speaker, BT Audio Receiver, etc to enjoy crystal clear stereo music. Enjoy Late Night TV Program Quietly: Many people have favorite late night TV program, Our B5 BT Transmitter can letting you freely enjoy the late night TV program without disturbing your family members. Just Connect B5 to your TV and enjoy your TV program without turning the volume down and prick up your ears to get the sound.