Ergonomic Wired Mouse: The Ergogrip (Tm) Better ergonomic design with the ErgoGrip. A thumb slot adds relief. The "slanted" mouse offers comfort for wrist and arm. It also has 5 buttons! It has left click, right click and scroll, and features forward a page and back a page web access buttons. The slanted design allows you to hold the mouse naturally, as you would give a handshake.It's very comfortable! This low price can't be beat for a professional ergonomic mouse! WOW! Comes in wired or wireless versions.USB port. Works with PC.MAC Ships from Atlanta, Ga. USA!