DESC: iAUDIO 5 is a multi-functional, super-mini product featuring color LED backlight visualizations that can express 1,000 colors, high-quality appearance, excellent durability, and stylish design. This product weighs only 28g, and allows continuous playback for up to 20 hours with just one small AAA battery, supports high-speed file transfer of up to 20 Mbps via USB 2.0, which is appropriate for a mobile storage device.