Sony Walkman Portable All-in-one Skip-Free CD Player / Digital FM Radio Tuner with Earbud Headphones, 40 preset FM stations, Digital Mega Bass Sound, AVLS & CD-R/RW Playback ** Batteries Included ** CD-R/RW Playback - Plays back CD-R/RW discs Digital AM/FM Tuner - Allows you to listen to your favorite radio stations. Preset up to 20 FM and 10 AM stations Skip-Free G-Protection Technology - Continues to provide quick recovery from both horizontal and vertical shock Digital Mega Bass Sound - Uses digital processing technology to produce rich, deep, bass tones with extremely low harmonic distortion Bookmark Programming - Easily bookmark your favorite songs from the CD you're listening to and play them back with the touch of a button for just the right order to your music