RioVolt SP250 Portable MP3-CD Player with FM Tuner and 8 Minutes Anti-Skip Plays standard audio CDs as well as MP3- and WMA-encoded discs; integrated FM tuner Electronic shock protection up to 8 minutes; upgradable firmware for enhancements Supports ID3 tags and audio CD title display (CD Text) as well as M3U playlists Includes 2 sets of headphones (earbud and over-ear) 15-hour battery life using only 2 AA batteries; includes rechargeable batteries. Resume play feature.