Lighter shape USB key optional for grey + white / blue / green / orange / pink / black colors, ... usb flash drive, usb stick Features:1)Retractable USB key in lighter shape2)256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB ... 1.1 4)Nand Flash5)Support Win98/98SE/ME/2000/XP/Vista/Win 7, Mac OS 9.x/10.0.x ...