Premium HP standards: 70 years experience. Strict quality control. 1 of the world's leading notebook manufacturers. HP delivers cutting-edge products built with some of the industry's toughest standards to enhance the way you connect & communicate. Stylish, attractive design: The sleek and modern HP Wireless Mouse X3000 adds an instant touch of trend-setting style to any work space. Glossy black and metallic gray shine with sophistication. Plus, its curvy silhouette gives it a seductive shape. Updated, enhanced specs: 2.4GHz wireless connection, 12-month battery life, fast-moving scroll and works-on-most-surfaces optical sensor. (Actual battery life will vary with use and environmental conditions.) HP X3000 Wireless Mouse Size: 3.7 x 2.2 x 1.5 in.