Features 1、Ideal Replacement: This wireless aux adapter is specially made for car audio stereo, it's a replacement of KCE 237B Full Speed AUX Input. 2、Applicable Model: Bluetooth AUX adapter can be used for Alpine, for JVC and other radios if only there is socket for our connector and it has AUX function. 3、Strong Compatibility: This cable is with Bluetooth module. Bluetooth 5.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth. 4、Multiple Audio Formats: Support the commonly used MP3 format audio, but also support the WMA WAV FLAC, and other audio format decoding. 5、Premium Material: The adapter harness is made of ABS material, which is waterproof and wear resistant, and can support DSD large capacity transmission. 6、Plug and Play Installation: Just plug the connector into the back of the radio, connect the two wires with 12V+(red), 12V‑(black). Specification Item Type: AUX Audio Cable Microphone Kit Bluetooth Version: 5.0 Audio Cable Connector: Approx. 3.5mm/0.14in Microphone Cable Length: Approx. 1.5m/4.92in Applicable CD models: Only Fit for Alpine of the Following Models: For Alpine 2009 up new CD Player (Please set AUX site after install the cable) For CDE101E 102E 105E ,CDA 105Ri, CDE 104BTi, CDE 103BT, CDE 102Ri, CDE 101R/RM and CDE W203Ri and so on ... Full Speed Devices From 2009 f.e. : For CDE 101R / RM, CDE 102Ri, CDE 103BT, CDE 104BTi, CDE 111R / RM, CDE 112Ri, CDE 113BT, CDE 114BTi, CDE W203Ri, CDA 105Ri, CDA 105, CDA 105E, CDA 117Ri, IDA X301, IDA X303, IDA X305, IDA X311, IDA X313, IXA W404R, IXA W407BT, TME S370 and also many devices from 2007 in connection with the Bluetooth model KCE 400BT Applicable Audio Devices: For IOS Device For Android Smartphone For Android Tablet PC (Please make sure there is bluetooth function in your phone or pad) Package List 1 x Aux Audio Cable 1 x Microphone