... play music 2,FM radio 3,Remote controller ,board key operation 4,AUX port,connect PC,computer,etc. 5,SD USB Name:Mp3 music playerSpecification:20 ... intelligently .2, FM radio function(Built-in FM antenna).3, Clock, alarm function.4, Built-in rechargeable lithium battery(Circuit with Charge Management)( ... audio output jack.7. Several sound efforts for choice. Portable Mp3 music player with FM radio