... LOGO Print Free,OEM Certificate:CE,FCC,ROHS USB Pen Item No.:JML-UD631 Detailed Product ... and 3-5days production time 1:Available capacities: 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB,4GB ... need of any extra power supply5:Support USB HDD, and USB Zip startup (needs motherboards support)6:Shock ... understand customer's idea, can make the perfect USB Flash Drive professionally in short time . Welcome ...