- The HP 2.4 GHz Wireless Optical Mobile Mouse in charcoal is packed with 2.4 GHz wireless technology for a tangle-free connection, even from further away! The optical sensor works on many surfaces, while the symmetrical design is easy to hold. - Stay better connected with advanced 2.4 GHz wireless technology. It offers less interference, a longer range of operation and no wires to tangle, so you can work and play from further away. - This wireless mouse comes in stylish charcoal and has an optical sensor that lets you travel, work and play with confidence. From laps to airport lounges and beyond, the adjustable sensitivity works on many surfaces. - You'll never lose a receiver again! The micro-receiver is so small, that you can store it inside the mouse, or leave it conveniently plugged into your notebook. - With rubber sides and a special symmetrical design, you'll always have a comfortable and secure grip, no matter if you're right or lefthanded. - Scroll up, down, left and right, always smoothly and in control. The secret is in the scroll wheel's special middle rubber trim.