I had been waiting for a wireless version of this trackball since I loved the old wired version but the wire gets in the way. This also works great with my Logitech keyboard because I only need a single usb port for the receiver. Good deal at Overstock.com as well!
This ergonomic trackball is perfect when you don't have an area for a traditional mouse. It works in a confined area and can sit on your lap or couch and works with great precision!
5 STARS:===> BUTT, Remember to P0P the Ball out & CLEAN it's Holder once in awhile... When it needs to be cleaned... It just slows down a little Bit. PLUS, Great Battery Life. I started using Logitech BALLS even Before they Became Wire-Less. My M570 is a Great TOOL with all of my computers! I THINK THAT THE ONLY THING I'D LIKE TO SEE ADDED Would Be a M L 570 "Left-Handed" model-version TOO!
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