Volito Mouse The Volito1 mouse has been designed ergonomically to comfort both left and right handed users. The mouse is targeted at home users when working and navigating in office applications, web browsing and games. Features 2 programmable buttons Ball-free (optical) and maintenance-free Patented cordless and battery-free technologySpecifications Dimensions (W × D × H): 113.3 x 61.3 x 36.0 mm Weight: Approx. 83 g Buttons: 2, programmable