This is a Boss Audio 615UA in dash digital media receiver with AM FM tuner, USB and SD memory card ports and a front auxiliary input. This 200 watt digital receiver, offers an easy-to-use interface that provides a rewarding experience, as well as support for your favorite media. The USB and SD card ports, allow you to directly connect your media device for direct playback. Playback features include: random, repeat, scan, play, pause, skip and direct search. Direct search enables you to search your MP3 or SD card for direct audio playback. With the built-in preset equalizer curves (Flat, Pops, Rock or Classic) you can choose your listening preference from your audio device that sounds the best. Also featured for direct playback, is a front 3.5mm auxiliary plug-in, which allows you to connect your iPod, MP3, CD player or other digital audio players and a rear RCA preamp output that allows you to add an external amplifier. An owner's manual and remote control are included as well.