This Pioneer MVH-S310BT Single-DIN In-Dash Digital Media Receiver with Bluetooth not only can provide hands-free calling and wireless music playback with a paired smartphone, it also has Pioneer's Smart Sync Technology which adds special features to that smartphone. Since the MVH-S310BT does not play back any kind of video, the Smart Sync app transforms a compatible, paired smartphone into a touchscreen receiver display. The MVH-S310BT 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 car stereo head unit in a wide variety of applications is easier than ever because of the chassis' depth is less than 4 in