Sony D-EJ016CK Discman Portable CD Walkman Player Full Circle Design. CD-R/RW Playback. Skip-Free G-Protection Technology. Clip Style Headphones. 8 Playback Modes. Bookmark Playback Function for Easy Programming. Digital Mega Bass Sound System. Digital Volume Control. 2 Position Automatic Volume Limiter System (AVLS). Car Kit Accessory Supplied. Up to 16 Hours Battery Life (2 "AA" required)