The ergonomic R-Go HE mouse has a round shape that provides a natural, relaxed position of your hand and wrist. The vertical position stimulates the mouse movement from your forearm. In this way, physical complaints such as RSI are prevented. The mouse fits comfortably in your hand and has a thumb support and a little finger support. The ergonomic R-Go HE mouse is available for left- and right-handed use and in different sizes, so that it fits in every hand. Natural ergonomic shape Supports the whole hand Prevents RSI complaints Available in different sizes and for left and right handed users Programmable buttons Available as wired and wireless Award winning design