This ultra-compact MP3 player gives you hours of your favorite music! It features up to 10 hours of playback time with one AAA battery, MP3 and WMA capability, a built-in digital synthesizer FM tuner, and ID3 tagging. Keep up with your tracks with the four line LCD display. An arm band, USB cable and stereo earphones are included for your immediate listening pleasure. Features: 128MB of Internal Memory WMA/MP3 Playback Ultra-Compact Design 20 Station Digital FM Tuner 10 Hour Playback 4 Line LCD USB Interface 6 Preset Equalizer Stereo Headphones Specifications: Memory Capacity 128MB MP3/WMA Multi-format File Handling Yes Built-in Digital Synthesizer FM Tuner (with Direct FM Recording Capability) Yes Voice Recorder with LP/SP/HQ Recording Modes Yes Power Supply 1 AAA Battery Approximate Play Times Up to 10 hours (alkaline battery) Included Accessories USB Cable, Arm Band, Stereo Earphones LCD 4-line Display Playback Time Up to 10 Hours Ultra-compact Design Yes Drag-and-drop Operation Yes 6-preset EQ Mode Yes ID3 Tagging Yes Playlist Selection Yes A-B Repeat Yes Dimensions (H x W x D) 23/8'' x 111/16'' x 07/8'' Shipping Weight: 3 lb