On sale! (normally $39) The Cougar 300M optical gaming mouse features 7 fully programmable buttons, an adjustable resolution of up to 4000 DPI, 20G acceleration, 1000Hz polling rate and a lifespan of at least 5 million clicks. The built-in onboard memory allows you to bring up to three full configuration profiles and use them wherever you go, making the Cougar 300M the ideal choice for gamers looking for a portable, ergonomic gaming mouse.