Work in comfort with a stable, sculpted trackball that supports your hand and lets you rest your arm.

Logitech Unifying receiver-the tiny, wireless receiver that stays in your laptop and lets you add compatible devices as you need them.

With up to 18 months of use from a single AA, you might just forget your trackball uses batteries at all.

(Battery life may vary based on user and computing conditions).

• Who wants a cord in the way? The robust wireless connection lets you control your laptop, desktop computer of home theatre PC from up to 30 feet (10 meters) away
• You get precise cursor control wherever you want to use your trackball. Hard tables, comfy sofas and lumpy beds are all no problem for the M570
• Moving quickly between documents or browsing your favourite Web sites is a breeze with large, easy-to-reach Back/Forward buttons