Coby Portable Compact Slim Design Personal CD Player CD-R/RW Playback - Plays back CD-R/RW discs burned either in a PC or a home recording deck. Create custom mixes from your existing personal music collection Easy Programming - Bookmark Playback Function so you can easily program your favorite songs from multiple CDs and play them back with the touch of a button Protection Technology - Continues to provide quick recovery from both horizontal and vertical shock with Skip-Free Protection Digital Mega Bass Sound - Uses digital processing technology to produce rich, deep, bass tones with extremely low harmonic distortion Digital Volume Function - Provides precise adjustment of volume level, while the volume level appears on the LCD display