... -32GB Material:Copper Design:LOGO Print Free,OEM Certificate:CE,FCC,ROHS USB Pen Item No.:JML-UD631 Detailed Product Description1 ... , 1GB, 2GB,4GB,8GB,16GB2:Hi-speed USB 2.0 certified ,Compatible with USB 1.13:OperationSystem:WindowsME ,Windows2000,WindowsXP,Linux2 ... :Working voltage: 5V9:Static current: 40Ma10:3 year warranty11provides CE ,FCC,ROHS approval standards12: you can imprint your Logo in any ...