• The sleek moonlight symmetric design suits both left- and right-hand users while the rubber coating gives you enhanced control and comfort. Additionally, the mouse features automatic power saving features and energy efficient components • Advanced 2.4GHz wireless technology means less interference, longer range of operation and no wires to tangle. The micro-receiver is so small you can leave it plugged into your notebook (no more broken or lost receivers!) • High-precision laser sensor provides precise, smooth and responsive tracking. No need to travel with a mouse pad as laser tracking works on more surfaces than standard optical mouse tracking. No ball or cleaning required