USB Pen Storage:1GB-32GB Material:Copper Design:LOGO Print Free,OEM Certificate:CE,FCC,ROHS USB Pen Item No.:JML-UD631 Detailed ... Product Description1:capacity:1GB-16GB 2:Customized logo 3 ... , 64MB, 128MB, 256MB, 512MB, 1GB, 2GB,4GB,8GB,16GB2:Hi-speed USB 2.0 certified ,Compatible with USB 1.13:OperationSystem:WindowsME ,Windows2000 ...