Thumb Cursor Control: Cursor control is accomplished by the thumb, leaving the fingers free to perform clicking and scrolling. Dedicated Scroll Wheel: The M570 Wireless Trackball includes a dedicated scroll wheel positioned in the traditional position between the left and right click buttons. Convenient Back/Forward Control: Dual buttons enable users to easily move forward and backward when surfing the Web. Lightweight Ball - The 34 mm trackball on the M570 Wireless Trackball is light and features a silky, smooth movement. Note: As the M570 places the workload fully upon the thumb, (which on most other trackballs is generally shared amongst several fingers), anyone who has existing thumb issues would be well-advised to consider alternative solutions. Software available from Logitech enables users to customize their trackball functions and performance. A battery life indicator will advise when the battery needs replacing. In addition there are Back and Forward Buttons for convenience when browsing through multiple pages.Ĭonnection is via a storable USB mini receiver and a single AA battery can provide up to 18 months of service. With a contoured body that provides a relaxing support for the hand, the M570 is equipped with a scroll wheel and right and left click buttons, all positioned as with a traditional mouse. Accurate optical tracking is provided by a 570 DPI laser sensor housed below the ball. 
The M570 Wireless Trackball takes most of the repetitive movements and strain which the entire hand usually must perform and allocates all the workload to the thumb of the user. Or sticking on (clicked).Ergonomic Benefits Features Images Additional Resources Specifications Usage Tips Models Accessories
I don't remeber it clicking all on its own though. I press the mouse button once and get a double click etc. I think I've replaced one button in each of the two I own. I'm a retired electronic technician so its not a big deal for me to do that. Then replace the bad one in my M570 with the good one from the mouse. I just bought an inexpensive Logitech mouse and robbed it of its click switches. Mostly because I play FPS games with my M570. I have had the micro switches go bad on my M570's from time to time. The only things that don't work are those Blue special keys on my Keyboards. All my Logitech stuff works with the basic Windows 10 drivers. I do sometimes install just the Unifying utility if I have to link or unlink a device to the dongle.
I have several M570's on the go here, and other Logitech keyboards etc that all use the Unifying reciever. Logitech M570 Trackball Wireless Mouse Right Clicking?
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