This particular model is built to be used by left-handed people. This is a very straight-forward mouse with just two buttons.
Comet
Microsoft Arc Touch mouse Ambidextrous RF Wireless BlueTrack 1000 DPI
Compadvance
Microsoft Arc Touch Mouse 1 Lic Black
OnBuy
Microsoft Arc Touch Mouse RF Wireless BlueTrack 1000DPI Ambidextrous Black mice