KCRIUS(TM) Newest AMI MDI MMI/ USB Audio MP3 music interface Adapter for Audi A3/A4/A5/ A6/A8/S4/S6/S8/ Q5/Q7/R8/ TT and Volkswagen Jetta/ GTI/ GLI/ Passat/ CC/ Tiguan/ Touareg/EOS Compatibility: AMI/ USB; MDI/ USB; MMI/ USB for Audi and Volkswag music interface Plug and Play,Original standard design Super anti-electromagnetic interference design Perfectly matching with the original car interface and usage space Supporting high-speed USB 2.0 data transfer protocol