5V\/12V MP3 Audio Decoder Board Digital With TF FM Radio USB<br>The module features:<br>1. Support signal directly switching.2. Support USB \/ SD \/ FM \/ LINE switch automatically.3. Module containing MP3 \/ WMA \/ lossless WAV \/ song decoder chip.4. Support USB， SD， MMC card to play.5. Support USB \/ SD card switch the previous song \/ next song， fast forward， rewind， volume control， EQ， play \/ pause， stop， single repeat， mute， shutdown， elections songs.6. Support the power and memory function.<br>The panel buttons:<br>1， &amp;quot;PREV \/ VOL-&amp;quot;: Set long press volume down;  in USB \/ SD status short press for previous track; in FM state long press for radio station.2， &amp;quot;PLAY \/ PAUSE&amp;quot;: In USB \/ SD status short press Play \/ Pause; in FM mode， long press is search  channel and storage station .3， &amp;quot;NEXT \/ VOL +&amp;quot;: Set long press volume up; in USB \/ SD status short press previous track; in FM state short press for radio station.4， &amp;quot;MODE&amp;quot;: When have an SD card and U disk: Change order for USB &amp;rarr; SD &amp;rarr;  FM &amp;rarr; AUX; only have an U disk: switching sequence for USB &amp;rarr; FM &amp;rarr; AUX;  when only have SD card: Switch the order for SD &amp;rarr; FM &amp;rarr; AUX;<br>Remote Control Key:<br>1， POWER: Standby (STANDBY) This key can not switch.2， &amp;quot;MODE&amp;quot;: When have an SD card and U disk: Change order for USB &amp;rarr; SD &amp;rarr; FM &amp;rarr; AUX; only have an U disk: switching sequence for USB &amp;rarr;  FM &amp;rarr; AUX;  when only have SD card: Switch the order for SD &amp;rarr; FM &amp;rarr; AUX; no USB and SD card: FM &amp;rarr; AUX &amp;amp;rarr.3， &amp;quot;PREV&amp;quot;: Set long press volume down;  in USB \/ SD  status short press for previous track; in FM state short press for radio station.4，  &amp;quot;NEXT &amp;quot;: Set long press volume up; in USB \/ SD status short press previous track; in FM state short press for radio station.5， VOL +: short \/ long press the volume increase.6， VOL-: Short \/ Long press for volume reduction.7， REP: USB \/ SD while playing is between single repeat or all cycle toggle key， open machine for the all cycle.8， &amp;quot;STOP&amp;quot;: In USB \/ SD state， short press is stop music playing.9， MUTE: Mute button， gently press is mute， press again is lifted(press VOL- \/ VOL + can also be lifted).10， EQ:. Sound field mode: NORMAL &amp;rarr; BAS &amp;rarr; POP &amp;rarr; ROC &amp;rarr; JAZZ &amp;rarr; CLA &amp;rarr; CUT &amp;rarr; NORMAL11， PLAY \/ PAUSE: In USB \/ SD status Play \/ Pause; in FM state long press for radio station.12， 0 ~ 9: In USB \/ SD state select key， more than 10 songs need to continuous input what you want number; In FM state select key， can be directly input radio frequency and channel number.<br>Application: Used for home audio \/ car CD modified mini speaker DIY production<br>Package included:<br>1 x 5V\/12V MP3 audio decoder board1 x Surface shell1 x Remote control2 x 3P\/5P audio pl