Slim Compact Design Programmable Track Memory 1-Bit D/A Converter Digital LCD Display Skip Search Play/Pause Random Repeat (Repeat 1 Repeat All) DBBS-Digital Bass Boost Sound System Key Hold Function Automatic Power Off DC 4.5V AC/DC Adapter Jack Requires 2 X AA Batteries (Not Included) 3.5mm Headphone Jack Line Out Jack SPECIFICATIONS: Unit Dimensions: 5.25 x 1 x 5.75 (WHD) Blister Dimensions: 7.5 x 11.75 x 3.8 (WHD) ACCESSORIES INCLUDED: Professional Stereo Headphones