Feature: 1. Fitment: The AUX adapter cable is perfect replacement for Alpine KCE‑237B wireless radio, and compatible for Alpine Full Speed Head Unit. 2. Great Experience: The cable supports MP3 o format as well as WMA, WAV and other high quality o formats, providing you with great experience to enjoy music from your phone. 3. Play Music Through Speaker: Match your phone or tablet to bluetooth module, and Choose Aux from your radio, then you can use your phone to play music through car speakers. 4. Reliable Material: Made of premium ABS material, the AUX adapter cable is wear resistant, durable and not easy to damage, with a long service life. 5. Plug And Play: Easy installation and practical to use, plug and play without complicated procedures, the AUX IN cable is more convenient to use. How to Use: Plug and play. Specification: Item Type: AUX Adapter Cable Material: ABS Product Color: As Pictures Shown Cable Type: 3.5mm Jack Fitment: Replacement for Alpine KCE-237B Compatible with following radios for Alpine: CDA-105Ri, CDE-104BTi, CDE-103BT, CDE-102Ri, CDE-101R/RM, CDE-W203Ri Package List: 1 x Aux Cable 1 x Red Jack Cable