General features: CD receiver with AM/FM tuner built-in amplifier (18 watts RMS CEA-2006/50 peak x 4 channels) plays CDs, CD-Rs, and CD-RW discs, including discs loaded with MP3, WMA, And AAC files switchable blue or red button illumination detachable face built-in Bluetooth Audio features: bass center frequency, width, and level controls high-pass filter