1,[Advanced Bluetooth Technology] Wireless transceiver adopts Bluetooth 5.2 and EDR standard protocol, high reliability and more stable connection. 2,[20m Transmission Distance] Bluetooth transceiver is able to transmit longer distance than traditional Bluetooth devices without worrying about signal interference and disconnection. 3,[Dual Mode Use] This Bluetooth adapter supports receive mode and transmit mode, which can transmit sound from one device to another Bluetooth sound device, very convenient. 4,[Scope Of Application] Sound transceiver adapter has a wide range of use for most active speakers, headphones and amplifiers with 3.5mm or RCA sound input connectors. 5,[HiFi Lossless Sound Quality] The wireless sound receiver transmitter supports a wide range of sound decoding formats to minimize sound quality loss and provide HiFi sound quality. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.