[. . . ] Whether you are working or playing, it is important to avoid awkward postures and position your body comfortably. [. . . ] Changing your posture during extended tasks may also help you avoid discomfort and fatigue. Electric-, Magnetic- and Electromagnetic Fields (EMF) 1. Royal Philips Electronics manufactures and sells many products targeted at consumers, which, like any electronic apparatus, in general have the ability to emit and receive electromagnetic signals. One of Philips' leading Business Principles is to take all necessary health and safety measures for our products, to comply with all applicable legal requirements and to stay well within the EMF standards applicable at the time of producing products. Please inform yourself about the local rules on the separate collection of electrical and electronic products. The correct disposal of your old product helps prevent potentially negative consequences on the environment and human health. 2 · · System requirements Microsoft Windows 2000, ME, XP, Vista, Windows 7; Macintosh Mac OS X (10. 1. X - 10. 5. X); USB port 3 a b c d e Function overview Scroll wheel Left and right click buttons Optical sensor Height adjustment (2 levels) Integrated cable management 4 · · Troubleshooting Ensure that the USB connector of your mouse is properly plugged into a USB port on your computer. Avoid using the mouse on any reflective, transparent metallic or complex-pattern surface. © Royal Philips Electronics N. V. [. . . ] Avoid using the mouse on any reflective, transparent metallic or complex-pattern surface. © Royal Philips Electronics N. V. [. . . ]