US Patent 11073922 Mouse

A mouse includes a button portion and a deformable holding portion. The button portion has an upper housing and a lower housing. The upper housing is assembled to the lower housing. The deformable holding portion is connected to the button portion and includes at least one electroactive material layer and a flexible material layer. The flexible material layer covers the electroactive material layer. When the electroactive material layer is in an energized state, the deformable holding portion has a first shape. When the electroactive material layer is in an unenergized state, the deformable holding portion has a second shape.