Logitech M570 Wireless Trackball Mouse - Ergonomic Laser Tracking, 2.4GHz Wireless RF, Dark Gray, USB Receiver, Smooth Scroll Wheel - Perfect for Office Work, CAD Design & Computer Programming

Experience a different kind of comfort and control on your PC with the Logitech M570 Wireless Trackball. Your coffee table, your favorite chair, and your comfy bed. Now there's no limit to where you can get precise cursor control. This hand-friendly wireless trackball lets you work and play wherever you want. No mouse to move around. No tricky keypad leaving your hand feeling cramped. Just roll the ball with your thumb and click. Precision never felt so comfortable. Enhanced comfort refines the time-tested shape of the popular Logitech Trackman Wheel USB Works with Mac or PC