Built to deliver the latest audio technology to the classroom in an easy-to-use package! Plays audio CD, CD-R, CD-RW via top-loading CD player, as well as MP3 files from a USB flash drive through the built-in USB port. The 3W amplifier and built-in speaker deliver clear sound to small groups. Features backlit LCD track display, CD anti-skip technology, 1⁄8" and 1⁄4" stereo outputs for connecting headphones and jackboxes, and digital pushbutton volume control. AC power or use 4 “C” batteries, not included. One-year warranty.