The HP Ultra Mini Optical Mouse with Retractable Cord (Silver and Black with red LED) is the perfect solution for the mobile warrior that needs to save space when using an external mouse. At only 1.6 oz and 3 inches long this ultra mini mouse is great for any small work space or on an airplane tray. * Compact light-weight and ambidextrous design provides comfort and travels well* High resolution 800-dpi optical mini mouse for precision and accuracy* Plug and Play no drivers required* Retractable USB cable provides great cable management for ease of travel* Carrying pouch included for ease of