Detailed Product Description Product DescriptionCapacity:128MB/256MB/512MB/1G/2G/4G*USB1.1/2.0 interface available *Promotion preponderance *Original flash chip *Password setting *Shock-proof and moisture-proof, genuine leather housing *High speed to read at 1000kb/s, write at 920kb/s *Hot plug and play *Operating system: Windows98/NT/ME/2000/XP or higher (driverless above Win98)Package: skin packingWeight: 70g/pcColor : white, black, blue ,dark blue ,yellow, red