This case contains everything you need to work in the low light situations such as on an airplane: a light, hub and mouse specifically designed for notebook computers. USB LED light plugs into any USB port for easy operation and features an adjustable arm lets you point light right where it's needed. Mini optical USB mouse with 27" retractable cord works on virtually any surface and includes a quiet scrolling wheel; 480 dpi resolution and 450 mm/s tracking speed. USB 2.0 4-port mini-hub allows you to connect up to four USB peripherals to your notebook and supports high-speed data transfer rates. Compact, zippered case protects contents and provides easy portability.