This MD Walkman lets you take your favorite music mixes wherever you go. Unique horizontal design with easy-to-access buttons makes the unit easier to use and hold in your hand or carry in a pocket, to enjoy the sound of MiniDiscs. Its Shock Resistant Memory resists bumps or vibrations while the laser scans ahead on the disc and stores 40 seconds of music in memory, for virtually skip-free playback. Battery Compartment Holds 2 "AA" Batteries so there is no need for an external battery case. This MiniDisc Walkman provides up to 15.5 Hours Playback with 2 "AA" Sony Alkaline Batteries that is delivered by advanced technology that allows extended battery life beyond previous limits. Digital Synchro Recording lets you make digital copies of CDs onto a MiniDisc with synchronized operation that begins recording when digital input signal is received. Sampling Rate Converter allows MiniDisc recording from other Digital media having different sampling frequencies, such as digital satellite systems and DAT, and automatically converts to MiniDisc rate. New smart remote control includes editing functions like titling and move. Digital Mega Bass Sound System provides rich, deep bass tones with digital signal processing for virtually inaudible harmonic distortion. High Quality Recording With Digital AGC ensures proper recording levels through Automatic Gain Control to prevent overload distortion. Automatic Volume Limiter System (AVLS) maintains volume output below strong signal levels, for listener comfort. Digital Connecting Cable is supplied for connecting to home digital preamplifier and to CD, DAT or digital satellite system units.