Contour Design Wireless RollerMouse Free3 - Manual (Page 7)

RollerMouse Free3 user guide /6
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Click force tension adjustment
You can adjust the amount of pressure required to perform a mouse click. Use
the click-force tension slider located under your RollerMouse Free3. Simply
slide it until you find the tension that works best for you.
Changing the ‘Double’ click button to middle
To change button from a double click function to a middle button
function, hold buttons and for two seconds until LED lights flashes
to confirm. Repeating this process will revert back to double click function. B
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