... power is required; 3.High capacities; 1)USB flash disk, very fashionable 2)Suitable for large capacity computer ... 10 years of data retention 4)Compliant with USB specification 1. 1/2. 0 5)Plug ... and play, no external power supply required, USB bus-powered 6)Capacity: 64MB, 128MB, 256MB, 512MB ... password access 10)Supports BIOS booting such as USB-ZIP or USB-HDD Package: Color box / Gift box / ...