RAOYI 10PCS 1G USB Flash Drive Thumb Stick Flash Memory Drive Swivel Pen USB 2.0 Drive Black Swivel design with key ring hole. Light and easy to carry. No need to install any software, just plug in and use. Supports Windows 7/Windows 8/Vista/XP/2000/ME/NT Linux and Mac OS. Compatible with USB 2.0, backwards USB 1.1. Suitable for digital data storing, transferring and sharing in school, with family, friends, clients, or machines. Packed in well protected box, usually ships on Next Day.