In Car Aux Audio Cable Auxiliary Input Adapter for Alpine Kce-236b Cda-9852 E Cda-9856 E Cda-9857e Cda-9870 E R Rm Cda-9871 R Rr Iphone Ipod Mp3 100% Brand New and High Quality Provides Aux-in Source, suitable for connecting of almost any 3.5mm AUX(audio) source, to the Alpine "Full Speed" head units (2008 onwards), MP3 players, portable CD, portable DVD, video game stations, laptops, etc. Provides aux-in source on all 2008 head units This lead will allow you to connect any portable MP3 player, mobile phone or similar device which has a 3.5mm Jack Plug input to any Alpine Ai-NET connection Head Unit