Features: 1) usb 1.1compliant, hot plug and play 2) no external power is required, powered by usb bus directly 3) compatible between different operating systems 4) electronic storage device, no mechanical components, shake protection, electromagnetic Wave protection 5) write / delete protection switch 6) pc compatible, mac compatible with usb port 7) used as ball pen which can be fluently written, with exchangeable standard pen Core, durable and environment-friendly 8) pen shape usb flash disk, very fashionable and popular Dimensions: 14 x 2.0 x 2.0cm
