G305 is a LIGHTSPEED wireless gaming mouse designed for serious performance with latest technology innovations at an affordable price point. Its next-generation wireless gaming, now ready for any and every gamer.HERO is a revolutionary new optical sensor designed by Logitech G to deliver class-leading performance and up to 10 times the power efficiency (compared to previous gen). HERO sensor delivers exceptionally accurate and consistent performance with zero smoothing, filtering or acceleration from 200 to 12,000 DPI. G305 can save up to 5 profiles with up to 5 DPI levels each on the onboard memory.