iSimple ISTY531 Automotive Dual Auxiliary Input Kit for Select Toyota Scion and Lexus Vehicles Plug and play installation maintains factory wiring integrity Two separate inputs, RCA and 3.5mm minijack, for use with multiple audio sources Retains factory-installed satellite radio, if vehicle is Satellite radio ready Ideal for mp3 players, portable DVD players, handheld GPS, laptops, and gaming systems Compatible with select Lexus, Scion and Toyota vehicles