Folding construction with detachable speakers Capable of playing CD CD-R CD-RW MP3-CDAMFM tuner Alarm wake up CD or radio Dual alarm clock with calendar 99 tracks program memory Listen to music 3 different ways. Dock the patented detachable speakers in the lid of the EGO 4000 for room-filling sound. Detach both speakers for true stereo effect. Or crank up the volume in private using the street-style headphones. Capable of playing CD CD-R CD-RW MP3-CD the EGO 4000 separates itself from the rest of the pack for a novel audio experience with features like 40120 electronic skip protection dual alarms sleep timers plus 20 FM & 10 AM radio station presets