Sony NW-S203F 1 GB Flash Sports Digital Music Player with Armband (Black) Cylindrical sports MP3 player with armband and 1 GB built-in flash memory Stores up to 695 songs; supports MP3, ATRAC, WMA, and AAC (non-DRM) playback Workout functions include calorie counter, stopwatch, pedometer, and Music Pacer Built-in FM tuner with 30 station presets; seamless, water-resistant aluminum body Measures 3.79 x 0.78 x 0.59 inches (W x H x D); 1-year parts warranty