The unique, ergonomic vertical grip design has been clinically proven to reduce muscle strain and discomfort associated with carpal tunnel syndrome and repetitive stress injuries compared to using a traditional mouse. 3M EM500 Ergonomic Mouse enhances your comfort by keeping arms and shoulders in a more relaxed, neutral position. Optical USB/PS2 compatible plug and play. For right-handed use.
Best Price: £55.18 from BT Business Direct