Sony D-NF340 CD Walkman with MP3 Playback and FM Tuner ( Silver ) DNF340 Included Accessories: Walkman Earbud Headphones (MDR-E706LP) and Circle Remote 1-Line LCD for ID3 Tag allows for fast and easy identification and location of your MP3 Formatted selections Skip-Free G-Protection Technology continues to provide quick recovery from both horizontal and vertical shock Full Circle Design Compact design mirrors the look of a CD Multi-Language Support for LCD Text Displays information on compact discs that contain encoded text Data that can include the artist name, disc name, and/or track name (English, French, German, Italian, Spanish, Portuguese and Russian) 5 Direction Control Key Single button control with 5 individual functions providing an easy and convenient way to control Music and navigation 12 Playback Modes/Bookmark Playback Function offer many predetermined choices in the playback of CDs, including Normal Play, Group Play, Single Track Play, Shuffle Play, Group Shuffle Play, Bookmark Play and Repeat Play for all play modes Digital Mega Bass Sound uses digital Processing technology to produce rich, deep, bass tones with extremely low harmonic distortion 2 Position Automatic Volume Limiter System (AVLS) maintains volume Output at levels below distortion threshold for cleaner sound reproduction FM Tuner with 40 Presets CD-R/RW and MP3 Playback Capability Up to 30 hours Battery Life (for MP3 CD)/up to 50 hours for FM Radio (batteries not included) Digital Mega Bass Sound Formats Supported: CD-R/CD-RW with MP3 Audio 20-20000Hz, 1/-2dB Frequency Response Power Battery Indicator Battery Life: Up to 30 Hours (MP3 CD recorded at 128kbps/G-protection with 2 AA Sony Alkaline Battery) / Up to 50 Hours using FM Radio Power Requirements: AA Battery x 2 (1.5V DC)(batteries not included) Output Power: 5 mW + 5 mW (at 16 ohms) 1 (stereo mini jack) Headphone Output 4.5V DC-In Dimensions: 5 5/8 x 5/16x 5 5/8 inch (140 x 32.7 x 140mm)