Corvette 3.5mm or RCA auxiliary audio input. Digital interface PLUS vehicle/radio specific cable PLUS dash trim removal tools (Bundle: 3 items) Easy-Install bundle, consisting of 1 x PXDX auxiliary audio input interface, 1 x PXHGM4 Corvette-specific cable and 1 x UNTL_DRTK-2S Radio Specialty dash trim removal tool kit Direct connection for any device with a 3.5mm stereo mini headphone jack or male RCA connections. (Both cables cannot be used at the same time.) Allows sound to pass from device to the radio. You will have volume control from the radio and steering wheel, if applicable Does not provide charging, control or text display. This is just for sound. Direct connection is far superior to FM modulators or cassette adapters