Continuing the legend of i-Disk Bulletproof USB flash drive, 8GB Pretec i-Disk Bullet 3.0 is the super speed USB3.0 flash drive with features of resistance to water, fire, and any heavy impact or crash. The rugged copper metal housing is designed in a unique vault shape and offers the ultimate durability and security to keep your data safe. Pretec i-Disk Bullet 3.0 is the answer for users searching for best value of flash drive with security and super-speed data transfer.- Resistant: To water, fire and any heavy impact- Interface: Compatible with USB 3.0 / 2.0- Plug and play: No external power required- Capacity: 8GB/16GB/32GB- Dimension? 42(L)x18(W)x18(H)mm- Weight? 30g- Package: Blister package- Operating temperature: 0degrees C ~ 50degrees C- Syorage temperature: -20degrees C ~ 60degrees C- OS support: Windows ME/2000/XP/Vista/Windows 7; Mac 10.x or later; Linux 2.4 or later- Warranty: 5 years