Wide Application: Bluetooth MP3 Decoder Board enhances sound quality for standard audio devices. Commonly used in toys, gifts, fitness equipment, household appliances, and broadcasting systems. 12V Bluetooth MP3 Decoding Board supports direct signal switching and includes USB and TF card slots. Features Bluetooth 5.0 for wireless music streaming from mobile phones. Supports playback via USB, TF card, Bluetooth, FM radio, and auxiliary input. Decodes MP3, WMA, and WAV audio formats. Repeat Function: Press once to enable single-track loop; press again to disable and resume sequential playback. EQ Modes: Six preset sound profiles — Classical, Jazz, Rock, Bass, Pop, Normal. Mode Button: Switches between USB, TF card, FM radio, auxiliary input, and Bluetooth. Long press starts recording; press again to stop recording and play back the recorded file. Recording is supported only from audio input, FM radio, or Bluetooth sources. A storage device (USB drive or TF card) must be connected during recording. Type: MP3 Decoder Board Model: JQ-N95 Function: Bluetooth Decoder Key Operations: 1. Pause/Play: Short press toggles pause/play; long press initiates FM auto-scan. 2. Volume Down/Previous Track: Short press skips to previous track; long press decreases volume; double click switches to previous folder. 3. Volume Up/Next Track: Short press skips to next track; long press increases volume; double click switches to next folder. 4. Repeat: Press once to enable single-track repeat; press again to disable and resume sequential playback. 5. EQ: Cycle through six sound modes — Classical, Jazz, Rock, Bass, Pop, Normal. 6. Mode: Switch between input sources (USB, TF, FM, AUX, Bluetooth). Long press to start recording; press again to stop recording and play the recorded file.