OVERVIEW  With the force of a lightning bolt, the HP Wireless Mouse X4500 grabs your soul & won't let go. Its modern design expresses sleek athleticism. Battery life can last a game-changing 30 months.(1) Precise laser sensor works on most every surface.(2)  BATTERY LIFE  Up to 2 1/2 years (Battery life depends on usage)  CONNECTOR DESCRIPTION  USB wireless receiver at 2.4 GHz  DIMENSIONS (W X D X H)  113.95 x 74.2 x 38.5 mm  WEIGHT  0.075 kg  PACKAGE WEIGHT  0.21 kg