A wireless mouse is disclosed. The wireless mouse includes: a mouse housing, and an electric generating device mounted in the mouse housing; wherein the electric generating device includes: a first rotation shaft mounted pivotably in the mouse housing, an eccentric wheel and a first annular conductor fixed on the first rotation shaft, and a first magnet fixed in the mouse housing, wherein the first annular conductor is arranged in a magnet field generated by the first magnet, and is configured such that magnetic flux through an annular section of the first annular conductor changes when the first rotation shaft drives the first annular conductor to rotate. The wireless mouse provided by the present disclosure is used to input operation information to a computer.