Logitech M570 Wireless Trackball

Logitech M570 Wireless Trackball Avarage Customer Rating :   Features Trackball comfort: Sculpted shape supports your hand and stays in one place move the cursor without moving your arm Logitech Unifying receiver: Connect up to six compatible wireless devices with one tiny receiver that stays in your laptop Long battery life: Go for up to 18 months without changing the included AA battery Smooth cursor control anywhere: Precision laser tracking on your desk, couch, bed or almost any other surface For Windows or Mac OS: Control your laptop, desktop computer or home theater PC wirelessly from up to 30 ft. away

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Some Customer Reviews for Logitech M570 Wireless Trackball "I had a wired trackball from Logitech prior to this one that lasted many years. I expect this one to last just as well..." "I'm coming from an Apple Magic Mouse the destroyed my thumb joint. I did however, enjoy the TOTAL freedom of a bluetooth device..." "my last wireless mouse - regular type, died recently. that very day i bought this mouse to replace it. I use it with my laptop in the den..." "For a long time, I've been an avid two-button wireless optical mouse user. This is my fourth mouse I've own since trackpad was not my cup of tea..." "a huge improvement to the earlier generation version > no huge wireless connector. neat little piece fits into your usb port. the connectivity is just great..."