MX-24 3D Wireless Combo Optical Mouse [MS-24-0W-01] is the state-of-art professional Wireless Mouse. With the Ergonomic design, MX-24 is designed to be comfortable and specially fit for your hand position and avoid fatigue after use it for long period. Tranquil-design wheel for scrolling four contact points to reduce resistance and ensure excellent mobility and easy to control on different surfaces. Specially, it is powered by 2.4G engine which make the mouse with extra long functionable distance.