Designed over two years with direct input from many professional esports players, PRO Wireless gaming mouse is built to the exacting standards of some of the world’s top esports professionals. PRO Wireless gaming mouse is built for extreme performance and includes the latest and most advanced technologies available. Featuring LIGHTSPEED technology, PRO Wireless overcomes the limitations of latency, connectivity and power to provides rock-solid and super fast 1 ms report rate connection. PRO Wireless gaming mouse is also equipped with the latest version of the HERO sensor, our next generation optical sensor that is the highest performing and efficient gaming sensor.Return/Exchange Policy for this product: Please note only unopened packages can be returned or exchanged. In case of a defective item, terms and conditions of the manufacturer's warranty will apply.