RAOYI 20pcs 4GB USB Flash Drive Red Pen Drive Thumb Drive USB 2.0 Memory Stick Swivel Design USB Flash Drive Brand New, High Quality, Portable Storage device USB Pen Drive Support Mode: All Brands of PC, Laptop, HP, Dell, Toshiba, etc. USB Memory Stick Operating System : Windows 7/Vista/XP/2000/ME/NT/98,Linux and Mac OS USB Flash Drive Can Come Along with Eyelet Holes. This USB Flash Drive is a Great Device for Storing Data You Need for School or Your Work Package: 20PCS 4GB USB Flash Drive