RCA RP2621 Personal MP3/CD Player Personal CD/MP3 player with clip-on earphones Supports CD, CD-R, CD-RW, MP3, and WMA formats (the latter two when burned on CD) 240-second anti-skip protection; Digital Bass Boost (DBB) system LCD remote with 3-line display shows artist, title, album, and genre information Runs for 30 hours on 2 AA batteries; 1-year warranty