Mouse features laser tracking that works on virtually any surface and a tiny, leave-in 2.4 GHz wireless receiver that stays in your notebook. Darkfield Laser Tracking delivers accurate, precise cursor control on virtually any surface, even glass tables. The Unifying Receiver lets you add up to six devices in one USB port. Hyperfast scrolling feature goes from zero to line 10,000 in 7 seconds. Sculpted, right-handed shape guides your hand to a naturally poised position and places integrated controls for Web browsing, application switching, and photo viewing within your thumb's reach. Flexible recharging system uses a micro-USB cable to recharge your mouse through your computer or a standard wall outlet even during use. Micro-USB recharging system lets you use the mouse even when charging. Mouse includes a micro-USB charging cable.