dolphin shape usb flash drive 1,USB flash drive2,1GB, 2GB, 4GB, 8GB, 16GB,32GB3,USB 2.0, compatible with USB 1.1 4,Nand Flash;5,Support Win98/98SE/ME/2000/XP/Vista/Win 7, Mac OS 9.x/10.0.x/10.1.x. OS, LINUX automatic 6,Data retention: more than 10 years 7,Unit size: 56.2*26.5*16.1 44g8,Available colors: silver Dolphin shape usb flash drive