You can click till the cows come home with a Wireless Vertical Ergonomic Computer Mouse Choose from grey or black This ergonomic mouse is has a vertical design with buttons and scroll on the side It enables you to rest your hand in the mouse and keep your arm in a natural position Compared with the traditional shaped mouse, this reduces your arm’s discomfort Comes with a 2.4GHz receiver, which can be found in the battery compartment It supports plug-and-play operations, which does not need additional drivers Measures 115 x 80.7* x 75.2mm Save 57% and work away with this Wireless Vertical Ergonomic Computer Mouse - only 19.99 pounds