[Bluetooth Transmitter for TV] In TX mode, our Blutooth audio adapter can retrofit non-Bluetooth-devices such as PC/TV with Bluetooth and send audio stream to Bluetooth speakers/ headphones[Bluetooth receiver for home stereo] Bluetooth adapter for stereo receiver streams music from smart IOS or Android phones/tablets/laptops/TV to your home stereo/old speaker/car stereo system/bluetooth headphones, The eppfun AK3046G Max can upgrade your precious wired speaker products to wireless Bluetooth systems.[Multiple output interfaces] After receiving the audio source information through Bluetooth, it is then inputted to your final audio device through various selectable output interfaces. Fiber optic, coaxial, RCA, Aux and other interfaces can almost meet all customer needs. At the same time, we also support playing MP3 and WAV format music on TF cards.[LCD displays] all the operation processes, which can be visualized through LCD. The operation is very user-friendly and simple.[66 feet long range]After a special technological upgrade, the antenna performance has been enhanced, and the Bluetooth distance has been extended to 20 meters.