Features: FM radio; LED display; With USB 2.0, SD card port; MP3/WMA decoding; Bluetooth function; Full function infrared remote control; Karaoke function with dual microphone jacks; High-frequency switching power transformer; Built-in high efficient D class digital power amplifier; LED light: 5 colors(blue, red, green, pink, purple) can be changed by pressing LED button on remote when playing; color gradual changes when no sound source. Color: black;