1Wide Application: Replacement for Alpine Dva?9861/Ri, iDA?X001, iDA?X100, iDA?X200, iDA?X300, Iva?D105R, Iva?D106R, Iva?W200Ri and so on. 2Applicable Format: The bluetooth Aux adapter cable supports many formats such as MP3 audio format, Wma, Wav format and other audio formats. 3Operating Steps: Pair your devices with buletooth module, and choose Aux in your car radio, then you can use your devices to play music via car speakers. 4Clear Connection: The bluetooth version of the bluetooth audio adapter cable is 5.0 version to provide clear connection and sound, making you driving more interesting. 5Plug and Play: The wireless Aux adapter cable is specially designed according to the original standard, plug and play without causing any damage.