Ly-074 usb flash disk Product voerview : No software driver required (windows2000 / me / xp) Supports all usb version 1.1 or 2.0 devices Capacity: from 32mb~2gb Read speed usb 2.0: 10 mb/second Write speed usb 2.0: 7 mb/second Aseismatic, moistureproof, prevent electromagnetic interference Net weight: 15g (approx)/pcs Net weight: 15g (approx)/pcs