Feature and Specification - 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