The HP M220 wired gaming mouse comes with High-definition(4000 DPI) optical tracking delivers more responsive cursor control. It is easy to switch between six DPI setting and quickly respond to your gaming demands for targeting, maneuverability or speed letting you to Play to your full potential. The scroll wheel’s LED identifies what DPI is in play by it’s specific color for easy recognition. The ergonomic design optimized for all-day gaming comfort in either hand and Built to last with gaming buttons rated at up to 20 million-clicks.