Sony Walkman Portable Skip-Free CD Player with Clip Style Earbud Headphones, LCD Display, Digital Mega Bass Sound, AVLS, Over the Head Lightweight Headphones & Sony Rechargeable Batteries with Recharger Skip-Free G-Protection Technology = Continues to provide quick recovery from both horizontal and vertical shock / 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 8 Playback Modes = Offer many predetermined choices in the playback of CDs, including hearing one track over and over, hearing a selection of tracks in a desired order, or listening to tracks randomly 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. This feature makes it easy to program and playback a personalized mix of your favorite songs Sony MDR Open-air Dynamic Comfortable and lightweight Over-the-head, On-the-ear stereo headphones feature High quality 30mm drivers that deliver crisp audio, while high-energy ferrite magnets are compact & produce ample sound output, slim headband, 5 foot long cord. Other specifications: 14Hz - 20,000Hz frequency response, 100 db Sensitivity, 24 ohms impedance. Compact design and quality construction make it excellent for use at home, work or while traveling; listen to your music anywhere. The supplied Sony compact charger features worldwide voltage compatibility, flip down plug, 3 hour charge time, automatic charge cut-off timer, alkaline battery detection and charges up to four AA or AAA batteries. A great alternative to disposables, Always have power ready without looking for new batteries with Sony Nickel-Metal Hydride (NiMH) rechargeable batteries that last up to 1.5 times longer than standard alkaline batteries, plus batteries can be recharged up to 1,000 times.