SAMSUNG’s USB Type MP3 Player U4 is fully focused on design and usability. Extremely slick with a high-gloss finish and round panel which is also featured in SAMSUNG LCD TVs. The 1" grey OLED display, and specialised user interface promises high quality audio and visual features. U4 is a USB direct model allowing simple transfer of data and charges efficiently. With 16 hours, three different gradations and two memories options of 2 GB and 4 GB.