Logitech M315 Compact Wireless Optical Mouse, Brick Red 3600 dpi optical engine - You've got the upper hand with precision targeting and pinpoint accuracy. 1 millisecond report rate - Your mouse communicates over USB at a blazing-fast 1000 reports per second as fast as USB can go, and eight times faster than standard USB mice. Polytetrafluoroethylene feet - These low-friction feet glide effortlessly across almost any surface and practically eliminate friction to provide smoother movement. DPI shift - Immediately switch to a predefined DPI level with a single button press great for sniping. Durable build - With buttons rated up to 10 million clicks and feet tested to 250 km, this durable mouse will play hard for a long time. Consistent response ratio - Physical mouse movements translate to the same amount of cursor movement irrespective of speed - &lt;0.5% variance compared to 5+% for some other gaming sensors. Sculpted comfort grip - You'll appreciate Logitech's legendary, battle-tested shape for a natural grip that will keep you in the game longer.