Description: Convenient to carry?Easy to read and read in high speed. No need drive, only plug in & No need power supply. Shock resistance, damp proof, lighting resistance, antimagnetic. Use A-class chip, be erased repeatedly for 100,0000 times-more than 10 years warranty. Support USB ZIP/HDD startup & Compatible with PC, notebook. Specification: Material?Metal Size : 50mm*15mm*8mm/1.96in*0.6in*0.31in Interface : USB2.0 USB Service Voltage : 4.5V-5.5V Environment Temperature : -40 C - +70 C Storage Temperature : -50 C - +80 C Storage Lifetime : More than 10 years Operating System : Win98/ME/2000/XP/ Vista/7 , OS 9.X/Linux2.4 Package Includes: 1 Piece USB Flash Drive