Panasonic SL-CT485 Portable CD Player Thin, compact, and lightweight design with wired remote control and pop-up disc-eject system No-Skip shock-protection system with 40 seconds backup memory; handy belt clip attaches to clothing during active use Up to 35 hours playback with two AA alkaline batteries or 14 hours playback with two AAA alkaline batteries (all included) Slide-lock, full-open top cover, heat-resistant polycarbonate body 24-track programming, MASH 1-bit digital-to-analog conversion system for superior audio performance