Sony D-NS707F S2 Sports ATRAC Walkman Portable CD Player with Digital Tuner (AM/FM/TV/Weather) Portable S2 Sports CD player compatible with MP3 files and Sony's ATRAC3plus compression technology; 2-line display with ID3 tag recognition Built-in FM, AM, TV, and Weather Band radio with 51 station presets Includes SonicStage CD Simple Burner software to facilitate ATRAC3plus CD burning from MP3 files and from other CDs Skip-free G-Protection technology eliminates or reduces skipping; active control playback operation simplifies active use More than 75 hours extended playback with 2 AA batteries (not included) for ATRAC recordings and over 50 hours continuous audio CD playback