iRiver T5 MP3 PlayerPlay music, and listen to FM Radio channels. USB memory stick type MP3 Player. Slick and modern design in very slim and light form factor and great for exercises. PRODUCT FEATURES: 4GB internal flash memory stores up to 1,000 songs OLED display, Supports MP3, WMA and OGG. TECHNICAL SPECIFICATION: Display: Black and White OLED, Display Resolution: 64X128, Storage Type: Flash Memory, Built-In Storage Capacity: 2/4GB, Expansion Memory Slot: No , Digital Audio Formats: MP3 (8Kbps to 320Kbps), WMA (8Kbps to 320Kbps), OGG, Digital FM Radio Tuner: 76.0MHz ~ 108.0MHz, Equalizer Presets: 6 Preset Equalizers, Battery Type: Internal 280mAh battery, Battery Life: 13 hours of music,