The vertical design encourages a more ergonomic position, anti-bacterial protection keeps your Penguin fresher and cleaner, Wireless design to keep you tangle free, easy-glide symmetrical base with precision laser and scroll wheel, adjustable 400/600/800 or 1200 dpi settings, central bow tie switch allows easy transition between right and left-handed use. Claim a 10 GoGift Voucher when you purchase this product until 31st December 2023 Terms & Conditions apply, to claim please register online here. We know what contributes to wrist and hand pain and set out to design a mouse that would transform workplace productivity. The Penguin mouse was developed to overcome the many problems that are associated with regular use of traditionally shaped mice. Mouse design influences the forearm position - a standard mouse requires the hand to be held in a pronated position. Compatible with Linux, Windows 2000, XP, Vista, 7, 8, 10 and versions of these, MAC OS X 10. 6 and above