Features 1、Applicable Model: Bluetooth aux in cable adapter fit for Alpine CDA 9852E 9856E 9857E, for Alpine CDE 9870 9871 9873 9881 and more models. 2、Wireless Audio Adapter: Adopt bluetooth 4.1 version, not need password when connecting, function via Bluetooth enabled devices. 3、Easy Use: Match your phone or pad to bluetooth module, and choose Aux from your radio, then you can use your phone to play music through car speakers. 4、Good Sound Quality: You can just plug the blue connector into the socket back of your radio, without loss of sound quality, plug and play. 5、Durable Material: The bluetooth wireless music adapter is made of ABS plastic, which is wear resistant, not easy to age, and durable. Specification Item Type: AUX IN Cable Adapter Material: ABS Bluetooth Version: 4.1 Fitment: Fit for Alpine CDA 9852/E Fit for Alpine CDA 9856/E Fit for Alpine CDA 9857/E Fit for Alpine CDE 9870/E/R/RM Fit for Alpine CDE 9871/R/RR Fit for Alpine CDE 9873/E/RB Fit for Alpine CDE 9881/R/RB Fit for Alpine CDA 9883/E/R Fit for Alpine CDE 9885/R Fit for Alpine CDE 9887/R Fit for Alpine DVA 9861/Ri Fit for Alpine IVA D105/E/R Fit for Alpine IDA X001 Fit for Alpine IVA W205/E Fit for Alpine IVA W202R Fit for Alpine IVA W200Ri Fit for Alpine IDA X001 Package List 1 x AUX IN Cable Adapter