Features:<br> <br> It can be connected with USB.<br> The Bluetooth amplifier has previous track, next track, fast forward, fast backward, turn volume adjustment functions.<br> File systems supporting FAT16 and FAT32.<br> It can play MP1 Layer3, MP2 Layer3, MP3 Layer3 versions of songs.<br> The Bluetooth amplifier has power off memory function, able to continue playing music before power cut.<br> Support USB voice function.<br> <br> <br> Specifications:<br> Material: ABS<br> Size: Approx. 9.7*2.4*1.8cm/3.82*0.94*0.71inch<br> Type: Bluetooth Power Amplifier Board+RGB Article Lamp, Bluetooth Power Amplifier Board(optional)<br> Working Voltage: DC 5V<br> Working Current: 1.2-2A<br> Output Power: 10W(4Ω5W+4Ω5W All Frequency Speaker)<br> Bluetooth: 5.0 EDR<br> Connect Mode: USB/Bluetooth/Line<br> Compatible Format: MP3(32-320Kbps)/WMA(Nondestructive under 1411Kbps)/WAV(Nondestructive under 1411Kbps)/FLAC(Nondestructive under 1411Kbps)<br> <br> <br> Package list:<br> 1 x Power Amplifier Board<br> 3 x Connect Cable<br> <br> <br> Note:<br> USB sound card function - when the host computer is powered on, a double head USB cable with data transmission is not allowed. If one end is plugged into the computer and the other end is plugged into the USB panel, "PC" will appear in the module.At this time, the computer can put music through the module audio output to audio;You can also copy the music on the computer directly to the U disk on the module or delete music. There will be a card inserted on the operating board of our bank. Then, when you open my computer on the computer, there will be a removable hard disk or U disk and other computer systems.<br> This product is directly connected to the loudspeaker with its own amplifier, and cannot connect the amplifier from the position of the loudspeaker.<br> 1、It can be connected with USB. 2、The Bluetooth amplifier has previous track, next track, fast forward, fast backward, turn volume adjustment functions. 3、File systems supporting FAT16 and FAT32. 4、It can play MP1 Layer3, MP2 Layer3, MP3 Layer3 versions of songs. 5、The Bluetooth amplifier has power off memory function, able to continue playing music before power cut.