Sony ZS-XN30 Multi-Codec S2 Sports CD/Tuner Boombox (White) CD and radio boombox with MP3/ATRAC3plus playback, ID3 recognition, 4-line, dot-matrix display, and 2-position Mega Bass enhancement S2 Sports design offers high style, water resistance, and convenient construction with centralized controls and built-in carry handle Jog-lever navigation lets you scroll "fast forward" or "fast back" through MP3/ATRAC3plus files and folders ESP2 CD shock protection minimizes skipping during CD playback; digital FM/AM tuner includes 20 FM and 10 AM station presets Uses two 4-inch powered speakers and 2 passive, bass-enhancing radiators; runs on 6 C batteries (not included) or supplied AC power adapter