The VAIO Bluetooth Wireless Mouse from Sony is a portable wireless mouse that can communicate with your computer via the wireless Bluetooth interface. Featuring two buttons and a scroll wheel, a stylish and compact design, and the accuracy of an optical interface, this mouse is a great wireless option for your laptop computer. Portable Size The mouse is designed for use with laptop computers. Its compact size allows you to easily throw it in your laptop carrying case. This makes the mouse an excellent choice for notebook computer users. Wireless Bluetooth Interface The wireless Bluetooth interface allows you to use your mouse without having to worry about the cord getting caught or tangled. This freedom makes the mouse easier to use and ideal for such intense activities as computer gaming as well as fine detail work such as photo editing. Bluetooth has an operating range of up to 32 feet, giving you extreme versatility in how you use the mouse. Optical Tracking Optical tracking technology gives you the ultimate in control when using your mouse. You will be able to make fine adjustments with the optical precision that you just won't find in a ball mouse.