Gold bar USB Storage:1GB-32GB Material:Metal Design:LOGO Print Free,OEM Certificate:CE,FCC,ROH Gold Bar USBItem No ... 1GB, 2GB,4GB,8GB2:Hi-speed USB 2.0 certified ,Compatible with USB 1.13:OperationSystem:WindowsME ,Windows2000,WindowsXP, ... without need of any extra power supply5:Support USB HDD, and USB Zip startup (needs motherboards support)6:Shock ... 16.Production time: 3-5 days Gold Bar USB