The name you know - for over 120 years, Philips has been a leading brand of electronics, trusted all over the world. That legacy of quality design and stunning functionality continues with this professional PC mouse for home or office. High-performance optical laser - Custom engineered in-house, the Philips Optical engine delivers superbly accurate positioning, with a 125Hz polling rate and 1000 DPI. The result is a corded mouse that registers every click and gesture with exact reliability. A comfortable fit - The ergonomic, low-profile build helps keep hand- and wrist-fatigue at bay. With its "barely-there" design, youll only realize that youre using this computer mouse is because youre getting work done. Quiet longevity - the button switches have a lifespan of over 3 million keypresses and are specially calibrated to avoid false-clicks, while being silent enough to let you get on with work without distracting others around you. Balanced and ambidextrous - Whether youre left-ha