Wafer USB Bussiness Card Flash Drive Blank DIY Memory Stick Wholesale Bulk Pack 10 (1GB, White) Pack of 10 Wafer USB Bussiness Card Flash Drive Easy to carry in Wallet . Blank White is easy for your DIY Idea. Compatible with USB 2.0. Backwards compatible with USB 1.1.Supports Windows 7/Vista/XP/2000/ME/NT/98,Linux and Mac OS. Available in 1GB, 2GB, 4GB, 8GB, 16GB, 32GB capacities,Available in White,Black.