If you want full freedom of movement, you should opt for a wireless mouse such as this one. This is a very straight-forward mouse with just three buttons.
From SmartTeck
Adesso iMouse S50R mouse Ambidextrous RF Wireless Optical 1200 DPI -
Ecprof
iMouseS50R - RED IMOUSES50 2.4GHZ WIRELESS MINI OPTICAL MOUSE . 1200
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