Item Type: Bluetooth MP3 Decoder Board <br>Material: ABS <br>Panel Size: <br>Length: Approx. 8.5cm/3.3in <br>Height: Approx. 2.4cm/0.9in <br>Depth: Approx. 2.4cm/0.9in <br>Working Voltage: 5V <br>Working Current: 1.5A-2A <br>Power: 4 Ohms 3W+3W <br>Sound Output: 3P OUT Sound Output (When the External Power Amplifier Is Used, The Module Must Be Powered by a Separate Independent Power Supply) <br>Screw Mounting Hole Spacing: Approx. 7.5cm/3.0in <br>Bluetooth: Bluetooth 5.31、Easy to Switch, Multiple Formats Supported: Bluetooth MP3 decoder board supports USB, memory card, Bluetooth, FM switching between switching. Support MP3 WMA WAV FLAC APE format music. <br>2、USB and Memory Card: Bluetooth MP3 decoder board supports USB and memory card switching, previous, next, volume adjustment, playback or pause. <br>3、Bluetooth Function: Bluetooth 5.3 sound decoder module supports Bluetooth previous, next, volume adjustment, play or pause, mute. <br>4、Power Off Memory: MP3 decoder board supports power off memory function, which can remember the songs and volume played before the power off to the current point. <br>5、Serial Communication Control: MP3 decoder board supports serial communication control, mode, volume, song selection, stop or play, loop selection.Manual measurement please allow some error.<p>1 x&nbsp;Bluetooth&nbsp;MP3&nbsp;Decoder&nbsp;Board</p><p>1 x Power Cord</p><p>1 x Horn Cable</p>