Finely engineered Philips Wireless Mouse featuring 2.4GHz wireless technology, brings 10m barrier-free working distance. Presenting High-definition optical tracking brought you by powerful Optical Sensor, lets you work on all surfaces hassle-free and saves battery life up to 6months. The new Wireless Business Mouse unveils 1000 DPI, 3 Buttons, 3 million clicks lifespan and plug & play profile, no driver/software installation needed.