1. Supports radio, Bluetooth, USB, TF card, MP3, and AUX 2. Supports 18:88 LED display with color flashing 3. Supports 32-320kbps MP3 music 4. Supports power-off memory function 5. Supports 6 sound effects (Jazz, , Classic, Normal, Country, and Rock) Supports infrared remote control, with a reception range of 10 meters Supports FAT16 and FAT32 file systems Supports full-format decoding of MP3, Layer 3, WMA, WAV, APE, and FLAC music Power Supply: DC 12V/3.5A Audio Output 530mA Signal-to-Noise Ratio 70dB Frequency Response: 80Hz-15kHz Distortion 0.2% Separation 45dB Storage Temperature: -20C to 50C Radio Frequency Range: 87.5 to 108 MHz FM Automatic Search Sensitivity: 25 to 30 dB Rated Output Power: 2 x 20 W 4 (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: PCB Package Contents: 1 x Bluetooth Decoder Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.