Amazon.ca Product Description
Wireless Trackball M570 stays in one place so you don't have to move your arm to move your cursor. The sculpted shape supports your hand and lets you rest your arm. Scroll wheel moves up and down through Web pages and long documents. Design also features programmable buttons, back/forward buttons, and an adjustable laser sensor for a wide range of cursor speeds. Advanced 2.4 GHz wireless delivers reliable performance, effectively eliminating delays and dropouts (compared to conventional 2.4 GHz and 27 MHz wireless technologies). Trackball is automatically paired with the receiver plugged into your computer and minimizes conflicts with other devices. Control devices up to 30' away. The included Logitech Unifying receiver is a tiny, wireless receiver that stays in your laptop and lets you add up to six compatible devices. Battery life lasts 18 months. Trackball includes the required single AA battery and is compatible with a USB port, Windows XP, Vista, 7, Mac OS X 10.5 or later.
Your coffee table. Your favorite chair. 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. Thumb-operated trackball and laser sensor for smooth, precise cursor control. Works anywhere you do-even your sofa. Powerful 30 ft. wireless range with tiny leave-in Logitech Unifying receiver. It has up to 18 months of power on a single AA battery. Scroll wheel and Back/Forward buttons for easy document and web page navigation. Enhanced comfort-refines the time-tested shape of the popular Logitech Trackman Wheel.