Specification:Working voltage: DC 5V/12VWorking current: 600mA-800mAOutput amplitude: >700mABattery(remote): Built-in CR2025 button battery*1Quantity: 1 setModule Features:Support signal switch directly.support Bluetooth3.0 EDR (after been paired with mobile phones can realize wireless music play)Support USB/TF/Bluetooth/FM/LINE switch.Built-in MP3/WMA、WAV lossless music decoding chip.Support USB/TF/MMC card play.Support USB/TF switch、 move PREV/NEXT、 fast forward、fast rewind、 volume adjust、 EQ、 play/pause、 stop、 single song repeat、 mute、 shutdown and direct election.Support Bluetooth move PREV/NEXT、 volume adjust、 EQ、 play/pause、 mute and 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. WAV support: 1411kbps and below.Support power off memory function: memory play songs and volume before power off.Note: Non-smart phones (android) have to enter the password - 0000Decoding board keys instruction1. "PREV/VOL-": long press "VOL-" for setting; short press "PREV/VOL-" for PREV song at USB/SD/Bluetooth mode; short press for PREV channle at FM mode.2. "PLAY/PAUSE": short press for Play/PAUSE at USB/SD/Bluetooth mode; long press for searching all channels and save at FM mode.3. "NEXT/VOL+": long press "VOL+" for setting; short press for NEXT song at USB/SD/Bluetooth mode; short press for NEXT channel at FM mode.4. "MODE": SD card inserted and U-Disk connected: switching sequence for USB?┣SD?┣Bluetooth?┣FM?┣AUX; Only U-Disk connected: switching sequence for USB?┣Bluetooth?┣FM?┣AUX; Only SD card inserted: switching sequence for SD?┣Bluetooth?┣FM?┣AUX; There is no USB and TF card: switching sequence for FM?┣AUX?┣Bluetooth.The remote control keys instruction:1. POWER: STANDBY button cannot switch.2. MODE: SD card inserted and U disk connected: switching sequence for USB?┣SD?┣Bluetooth?┣FM?┣AUX;Only U disk: switching sequence for USB?┣Bluetooth?┣FM?┣AUX;Only the SD card: switching sequence for SD?┣Bluetooth?┣FM?┣AUX;There is no USB and SD card: switching sequence for FM?┣AUX?┣Bluetooth.3. PREV: at USB/TF/Bluetooth MODE、 short press for PREVsong; at the USB/SD MODE、 long press for fast rewind; at FM MODE、 short press for PREV channel、 long press for scan search PREV channel.4. NEXT: at USB/TF/Bluetooth MODE、 short press for NEXT sone; In USB/TF MODE、 long press for fast forward; In FM MODE、short press for next channel、 long press for scan search the next channel.5. VOL +: short/long press for music VOL +. 6. VOL - : short/long press for music VOL -.7. REP: at USB/TF MODE、 is the switch key between single repeat and whole cycle when play music、 boot for all cycle.8. STOP: at the USB/TF MODE、 short press to STOP the music play.9. MUTE: MUTE、 press for MUTE、 press again for relieve(also can relieve by VOL- /VOL+).10. EQ: Acoustic field MODE. NORMAL?┣BAS?┣POP?┣ROC?┣JAZZ?┣CLA?┣CUT?┣NORMAL11. PLAY/PAUSE: at USB/SD/Bluetooth MODE for PLAY/PAUSE; at the FM MODE、 long press for searching all channels and save.12. 0~9: at USB/SD MODE、 as dircet election keys; import the number in succession if the number over 10. At FM MODE、 as dircet election keys、 just directly import the radio channel and channel number.Package Content:1 x Decoding board1 x Remote control1 x CR2025 button battery(inside the remote)2 x Connective cable