Whether you're in a coffee shop, airplane seat or at an off-site meeting, this compact and powerful mouse works wherever you go and on virtually any surface. Darkfield laser tracking creates a micro-road map of the smallest details on surfaces to provide incredibly accurate, precise cursor control on laminate tops, tray tables, glass and even your jeans. Unifying receiver allows you to pair up to three devices and easily switch between them with the touch of a button. Compact, ergonomic design helps keep your hand comfortable wherever you want to use your laptop. Hyper-fast scroll lets you coast smoothly and quickly through long documents and web pages, stopping instantly when you need to. Or, press the wheel and shift to click-to-click mode for precise navigation. Advanced 2.4 GHz wireless technology delivers the reliability of a cord with cordless freedom for fast data transmission and virtually no delays.