Features: 1) Dimensions (L x W x H): 92.3 x 28.1 x 18.1mm 2) Weight: 9g 3) Available capacities: 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB 4) Hi-speed USB2.0 certified 5) Compatible with USB1.1 6) For Mac and PC, no driver required 7) No external power required 8) Functions as hard drive 9) LED indicates power, read / write 10) Automatic system detection as removable disk 11) Shock resistance: 1,000g 12) Min. data retention: 10 years 13) 3 years warranty 14) Fashionable design 15) Pretty look, silver plastic casing, reasonably small size and smooth feel 16) Can be used with Macs and PCs 17) Requires no external power