BOSS Audio 625UAB Multimedia Car Stereo &ndash; Single Din, MP3 Player (No CD/DVD Player), USB Port, AUX Input, AM/FM Radio Receiver MEDIA PAYBACK: Use The USB Port To Enjoy Your Top Selected Music And Audio Books. Digital Media Support Include MP3 File Format. Tune Into The AM / FM Radio Stations For Up To Date Music/News/Sports And more AUXILIARY INPUT: This Single din head unit Is Compatible With The Audio Output From Smartphones As Well As MP3 Players. Even More Ways to Chill INPUTS: The USB Port Gives You The Option To Have a Vast Library Of Audio Files At Your Fingertips. The Auxiliary Input Is a Convenient Way to Hook Up To Your MP3 Player/Device OUTPUTS: Use The Front & Rear Pre Amp Outputs To Hook Up Your Speakers - Front Left/Front Right And Rear Left/Rear Right SPECIFICATIONS: Dimensions  5.1 x 7 x 2, Weight  1.7 Lbs, 50 Watts x 4 MAX power WARRANTY: BOSS Audio Systems Provides a Powerful 3 Year Platinum Online Dealer Warranty So Long As The Purchase Is Made Through Amazon.com