Features 1、Bluetooth 5.0 Connection: Decoding board adopts Bluetooth 5.0, the connection is stable, supports Bluetooth previous song, following song, volume adjustment, playback pause, mute, the song and volume played before the power failure can be memorized to the current point, support recording function, Call back. 2、Folder Selection Play: MP3 decoding board supports folder selection and playback, which is convenient for different music classifications to choose and play in different folders on the card or U disk. Press and hold the MODE button in playback mode to select a folder for playback. 3、Support USB Sound Card Function: Decoder board supports 4 color spectrum light emitting display, supports USB sound card function (with a double ended USB cable, one end is plugged into the computer and the other end is inserted into the panel USB, and the computer can play music through the module's audio output. to the sound. 4、Supported Music Formats: Decoding board supports USB, card, Bluetooth, FM, AUX switching, conversion prompts and caller numbers, supports MP3, WMA, WAV, FLAC, APE format music, suitable for 2.0, 2.1 or 5.1 speaker amplifier board. 5、Loop Mode: Press the "arrow" "RPT" sign or "play" button in the playback state, random, single loop, folder loop, whole song loop, if you press FOL in the current folder, it will only be in this folder The whole song is played in a loop. Specification Item Type: Bluetooth Decoding Board Material: PCB Bluetooth: Bluetooth 5.0 Working Voltage: DC12V Working Current: 600MA to 800MA Output Amplitude: >700mV Remote Control Battery: One Built in CR2025 (Included) Built in Battery Capacity: 240mAh Product Size: Height Approx. 9.3cm / 3.7in, Width Approx. 3cm / 1.2in, Depth Approx. 2.7cm / 1.1in Mounting Cutout: Approx. 8.3 x 2.3 x 2.7cm / 3.2 x 0.9 x 1.1in(2.7cm is Depth) 4 Upper and Lower Corners at Both Ends: Approx. 6mm / 0.2in Diameter Screw Bits Panel Screw Hole Spacing: Approx. 7.4 x 1.6cm / 2.9 x 0.6in Package List 1 x Amplifier Board 1 x Remote Control 1 x Power Cord 2 x Audio Cables