This particular model is wireless, so you'll never have to feel constrained by cords. While most computer mice have two buttons (and maybe a scroll wheel), this one has six.
From Amazon
Trust Verro Vertical Mouse, Wireless Ergonomic Mouse with 60° Angle, 600-1600 DPI, 6 Buttons, for Right Hand Users, RF 2.4GHz, Computer Mouse for Laptop, PC, Mac - Black
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Wireless Mouse Trust 23507 VERRO Black 1600 dpi
Shopaide
Wireless Mouse Trust 23507 VERRO Black 1600 dpi