This Pioneer MVH-S420BT Double-DIN In-Dash Digital Media Receiver with Bluetooth includes Pioneer Smart Sync Technology. The Smart Sync app transforms a compatible, paired smartphone into a touchscreen receiver display! The MVH-S420BT car stereo also has 2 sets of RCA preamp outputs and a full-featured 13 band EQ for the premium sound quality expected of from Pioneer. Installing this mechless head unit in a wide variety of applications is easier than ever because of the chassis' depth is less than 4 in.!