The G603 Lightspeed Wireless Gaming Mouse from Logitech is an ergonomic and customizable mouse designed to provide you with the accuracy and performance needed for gaming. It features Logitech's Hero sensor, which is a power efficient optical sensor that has a 200 to 12,000 DPI range and zero smoothing. With the included USB receiver and Bluetooth connectivity, this mouse is compatible with a wide range of devices and can be paired to two devices simultaneously. It's powered by two AA batteries, and can work with just one installed without a performance drop. To access its full features, be sure to download Logitech's gaming software application.