With the Logitech M570 you’ve got a different kind of comfort, thans to a
leave-in wireless receiver, long battery life and precise cursor long battery life
& precise cursor control that lets you work & play wherever you want.
The Trackball stays in one place, so you don’t have to move your arm to move your
hand to move your cursor. Its sculpted shape supports your hand to let you work all day in
comfort.