Material: steel Capability: 128MB to 4GB flash memory Encryption (optional) USB bootable Partitions can be set IBM PC/AT or compatible desktop or notebook or Mac computer with USB port No driver needed Hot plug-and-play Small size and lightweight Shock and moisture-proof Available in large capacity Available in various colors LED indicator when in use Technical specifications: Supports USB specification reversion 1.1/2.0 USB 1.1: Read speed: 1Mbps Write speed: 0.75Mbps USB 2.0: Read speed: 8Mbps Write speed: 7Mbps Write/delete protection switch No external power is required, powered by USB bus Durable solid-state storage, more than 10 years data retention Requirements: USB interface Windows 98, SE, ME, XP and 2000, Linux Kernel 2.4.x, Mac 9.0 or above Capacity of software: 3MB memory