Description: USB 2.0 interface with high speed for wiriting and reading. Made of metal and A-class chip and can be erased repeatedly with Long storage Lifetime. Compatible with PC, notebook, MAC Shock-resistant,damp proof,lighting-resistant,antimagnetic Small in size ,delicate and portable. Specification: Size: Approx. 7.1*4.8cm/28*18.9inch Material: Metal Package Includes: 1 Piece USB 2.0 Flash Drive