Philips SPK7423/00 is a wireless mouse that offers a reliable connection and precise control. It features 2.4GHz wireless transmission with a working distance of up to 10 meters, allowing you to move freely without worrying about dropouts. The DPI (Dots Per Inch) can be adjusted between 1000, 1600, and 2000, providing you with the sensitivity you need for various tasks. It has four buttons: left key, right key, 3D wheel, and DPI switch button, allowing for efficient navigation and control. It's powered by a single AA battery, ensuring long-lasting usage.