Panasonic's vision of the digital future is driven by the needs and aspirations of its business customers and millions of consumers around the world who use its products every day. The company shares their dream to live a fuller life by providing ways of working smarter and enjoying the rewards of technological advances. PRODUCT FEATURES: DSound; Digital Amplifier for high sound quality; Digital Audio Gain Control (DAGC) and S-XBS for clear bass; Stereo Earphones for high quality digital sound; MP3 playback (supports ID3 tags); CD-R/RW playback; Digital Re-master for high quality MP3 playback; CD round form design - ultra thin and lightweight; Playback with two optional rechargeable and two optional AA alkaline batteries (using the supplied external battery case): Up to 140 hours playback (MP3) and up to 76 hours playback (CD-DA); Remote control with dot matrix LCD; No-skip anti-skip system [backup memory: 45-sec for CD-DA and 100-sec (at 128 kbps) for MP3 playback]; Slide-lock, full open top cover. Shipping Weight: 3 lb