Penclic International Penclic Ergonomic Computer Mouse (D2-2021) The Penclic Mouse is the ergonomic computer mouse that feels and moves like a pen The pen grip provides a relaxed working position to help secure strength and increase productivity Penclic has five buttons and a scroll wheel with a laser sensor Operates on almost any surface without any pad or tablet Works with a USB connection on any Mac or PC Counteracts static tension in your arms and shoulder area