b6 wireless transmitter receiver two-in-one wireless 5.0 receiving and sending integrated wireless adapter

characteristics: 1. support audio equipment with audio input: realize wireless audio reception and transmission. 2. automatically seek support for bluetooth devices: realize transmission wireless audio transmission. three. built-in aec echo and anc noise printing circuit: beautiful stereo, the sound quality is more pure and beautiful. four. built-in improved signal transmission circuit: fast and stable connection, continuous sound. five. compatible: dual lossless audio format. six. support