Logitech Advanced Wireless Trackball

Compare with M570. Upgrade your computer with the Logitech Advanced Wireless Trackball. It gives you a different kind of comfort and stays in one place and supports your hand to let you work all day with ease. The Logitech trackball enables you to move the cursor without moving your arm. It can go for up to 18 months without changing the included AA battery. The 2.4GHz wireless connection lets you control your laptop desktop computer or home theater PC wirelessly from up to 30′ away. The mouse wireless trackball is compatible with both Windows and Mac operating systems.