3M EM500GPS Optical USB Ergonomic Mouse, Wired, 3 Buttons, Small / Medium -Black
Shop:
Amazon.co.uk
Product ID:
B000F2BP7U
Description:
Clinically proven to reduce muscle strain and discomfort Vertical grip reduces pressure on the wrist's median nerve Mouse records optically for smoother and more accurate mousing Both USB and PS2 compatible For right hand use and palm width of 8.8 cm or less