... speaker Input Voltage: 5v Support:TFcard , Mobile card,mp3,wma player FM radio ... More Colors available New design mini digital speaker/stereo ... electrocircuitIt can be used with computer, mobilephone,mp3 ... MP5, computer stereo connectedWith FM radio (FM87.5—108.0MHZ ... 5.VOL+/ Speaker50mm speaker,4 0h msBatteryLi-ion ... key the controlpanel,canshift FM and CARD.3. ... volume -6.P/SCAN Play/pause.short press ...