The Arc Mouse is a family of portable computer mice produced by Microsoft.

A mobile mouse, the device has evolved over a number of years, including special editions designed to coordinate with the company's Surface family of computers.

[3] An updated version, the Arc Touch Mouse, changed the design and main interface points, and was released in 2010.

[4][5] Instead of folding for portability, the Touch Mouse flattens from its curved "in-use" shape.

[6][7] To match its Surface devices, Microsoft updated the design of the Arc Touch Mouse.