5V Audio Amplifier Module Audio Amplifier Board Sound Group Circuit Parts For Excellent Audio Performance Bullet Points: 1.Promoteaudio Experience: Enjoy powerful sound, improve sound quality, and experience excellent audio performance with our USB interface MP3 decoding module 2.Easy Installation: The user-friendly design makes installation a breeze in any audio system, offering a seamless solution for upgrading MP3 players or wireless players 3.Excellent Durability: By offering excellent durability and wear-resistant, this MP3 decoding module assures a dependable performance for an extended service life with its sturdy construction 4.Optimized Space Utilization: The efficient and modern design of this MP3 decoding module seamlessly integrates into any audio system, maximizing space in your home or vehicle without compromising functionality 5.Versatile Compatibility: Promote your audio experience with smooth decoding across different equipments, assuring optimal sound quality and connectivity options Experience excellent audio performance and upgrade your MP3 players or wireless speakers with ease. Type of audio and video accessories: audio accessories Product specifications: 5V Main functions: 1. Double decoding supports music in MP3/WMA/WAV/FLAC/APE formats; 2. Supports Wireless call function; 3. With recording function; 4. With digital tube display; 5. Supports MMC/MMA and other cards, supports USB interface (U disk); 6. Power-off memories function; 7. Supports 5-10 meters distance red light remote control usage; 8. Supports external audio source input; 9. Supports FM radio, search frequency band (87.5MHZ-108.0MHZ); 10. Buttons: Four buttons for multi-directional control, VOL-/AUTO/VOL+/ MODE; Recording function description: 1. Long press the MODE button to start recording, and long press the MODE button again to cancel the recording function; 2. Long press the PLAY/PAUSE button to play the recording file; 3. When recording, it is not necessary to connect a storage device, such as a USB flash drive or TF card; Button usage details: 1. VOL-button (previous song/volume reduction): In MP3 mode, VOL-short press is for the previous song, long press is for volume reduction; in FM mode, short press is for up single station number; in Wireless mode, short press is for Wireless previous song, long press is for volume reduction. 2. AUTO button (play/pause): In MP3 mode, AUTO short press is for play/pause; in FM mode, short press is for play/pause, long press is for automatic reception and storage of stations; in Wireless mode, short press is for play/pause. 3. VOL+ button (next song/volume up): In MP3 mode, short press VOL+ for next song, long press for volume up; in FM mode, short press for down single station number; in Wireless mode, short press for next song, long press for volume down. 4. MODE button: Adjust between USB / FM / audio input / Wireless functions in turn. Product list: MP3 decoding board * 1 piece _x000D_ _x000D_