- The HP 40,6 cm (16") carrying case bundle is the perfect complement to your notebook. It includes a 3- button optical mouse and a padded carrying case to protect your notebook while you are out and about. - The HP Travel Essentials Kit - 40,6 cm (16") is the perfect travel companion. Keep your notebook safe in the padded inner compartment of the bag, and just plug and enjoy the freedom of working with the USB Optical Mouse everywhere you go. - The HP Travel Essentials Bag – 40,6 cm (16”) is perfect to help you stay organized. It allows easy access to your phone, keys and tickets, while keeping your notebook safe in the padded inner compartment. - No slips or mistakes! The HP USB Optical Mobile Mouse with its 1000 cpi ensures smooth tracking, even without a mouse pad. So you will get all the accuracy you need, whether you are at your desk or on the road.