Plug-in, stay-in USB drive easily adds more storage options to your notebook computer, tablet or ultrabook. Compact design allows convenient storage in a drive that fits in the body of a Nano receiver. The USB drive features a snag-free design for easy transport and is also removable for easy file sharing. The Store 'n' Stay USB Drive with 4GB capacity is compatible with Windows 7, Vista, Mac OS 9.x or higher, Linux kernel 2.6x and higher. USB 2.0 interface is a great addition to any netbook, and it's always there, always ready.