1Replacement for Honda Goldwing GL1800. Match your mobile phone or tablet with the Bluetooth module. And select Aux from the radio, then you can use your phone to play music through the car speakers.2You can hear music from mobile phone/pad/mp Using Bluetooth 0 protocol, backward compatible with other versions of Bluetooth protocols such as 0, 0, and 0.3Can support ordinary MP3 format audio, and also support WMA, WAV, FLAC and other highquality audio format decoding.4Nonordinary Bluetooth function, can support DSD largecapacity transmission, stable data transmission between devices, high fidelity, specially designed for music lovers.5Made of highquality ABS material, strong and durable, long service life. More stable connection, significant performance, easy installation, plug and play.