Sony ZS-X3CP S2 Sports CD/Radio Boombox (White) CD and radio boombox with MP3 compatibility and Mega Bass low-end sound enhancement 4-line, dot-matrix display simplifies file and folder navigation ESP2 CD shock protection minimizes skipping during CD playback Jog-lever navigation control lets you move "fast forward" or "fast back" through MP3 files and folders Water-resistant design with high-impact plastic housing is designed for outdoor fun