Features: * Support signal switch directly. Support USB, TF * Support Bluetooth (Bluetooth 5.0 EDR) (after being paired with mobile phones can realize wireless music play) * Support USB / TF / Bluetooth/FM / LINE switch. MP3 / WMA, WAV lossless music decoding chip. * Support USB / TF card switch, PREV, NEXT, fast forward, fast rewind, volume, EQ, play /pause, stop, single repeat, mute, shutdown, and direct election. * Support Bluetooth PREV, NEXT, volume, EQ, play/pause, mute, turn it off. * Support FAT16, FAT32 file system. Support for MP1 Layer3, MP2 Layer3, MP3 Layer3 version of the song.Support 32-320 KBPS MP3 songs. * Support power-off memory function: memory plays songs and volume before power off. Package Includes: 1 X Mp3 decoder board 1 X 2 pin power cable 1 x 3-pin audio cable 1 X remote controls((Not bring the Battery) Note: Non-smart phones (android) have to enter the password - 0000 Decoding board play mode instruction: Decoding board in the absence of memory card or U disk, boot default to ''audio input'' mode, the screen displays LINE Press the ''MODE'' key on the panel or the remote control switch to Bluetooth MODE, and the screen shows ''BLUE'', can open the Bluetooth search condition at this time Press the ''MODE'' key on the panel or the remote control switch to radio MODE, and the screen displays FM radio frequency, long press the ''PLAY'' button to automatically search the channel Press the ''MODE'' key on the panel or the remote control switch to the U disk or memory card ''play MODE'', and the screen displays the time schedule of the song The remote control instruction: 1. POWER: The STANDBY button cannot switch. 2. MODE: TF card and U disk: switching sequence for USB→TF→Bluetooth→FM→AUX; Only U disk: switching sequence for USB→Bluetooth→FM→AUX; Only the TF card: switching sequence for TF→Bluetooth→FM→AUX; There is no USB and TF card: switching sequence for FM→AUX→Bluetooth. 3. PREV: In USB/TF / Bluetooth MODE, short press for PREV; In the USB / SD MODE, long press for fast rewind; In FM MODE, short press for the last channel, long press for scan search last channel. NEXT: In USB / TF/Bluetooth MODE, short press for NEXT; In USB / TF MODE, long press for fast forward; In FM MODE, short press for the next channel, and long press for scan search the next channel. 4. VOL +: short /long press for music. VOL -: short/long press for music. 5. REP: In USB / TF MODE, is the switch key between single repeat and whole cycle when playing music, boot for all cycles. 6. STOP: In the USB / TF MODE, short press to STOP the music playing. 7. MUTE: MUTE, press for MUTE, press again for relief(also can relieve by VOL- /VOL+). 8. EQ: Acoustic field MODE.The NORMAL→BAS→POP→ROC→JAZZ→CLA→CUT→NORMAL 9. PLAY/PAUSE: In USB/SD/Bluetooth MODE for PLAY / PAUSE; In the FM MODE, long press for searching all channels and save. Input voltage: 12V