... cover for the USB ,Different from the rest USB Flash Drive Description: Capacity: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB ... moulds for your choice , Customized design welcomeHardware: IBM compatible Desktop, Notebook or Mac computers with USB PortOS: Windows98/ME/2000/XP ... above. BACKSIDE 1. Hot plug and play; Functions like other hard drive2.USB bus-powered3.More than 10 years data retention ...