Features 45-second, anti-skip memory Programmable track memory 1 Bit D/A converter Digital 7-digit full LCD display Skip, Search, Play, Pause, Hold 4 Play Modes: Repeat 1, Repeat All, Shuffle, Intro PLL digital tuning system 20 Preset Stations: 10FM, 10AM DBBS: Digital Bass Boost System Requires 2 X "AA" size batteries (not included) Battery rechargeable function Automatic power off DC 4.5V AC/DC adapter jack 3.5-mm headphone jack Dimensions: W 5.25 in; H 1 in; D 5.75 in Professional digital neckband headphones