Model O’s Honeycomb Shell is the key to achieving a feather-light weight while maintaining its ultra-durable strength. You’ll barely feel the holes during gameplay, but they provide ventilation to keep your palms cool & fresh. Cleaning the Model O is easy, just use any air canister to keep your mouse good as new. Our proprietary braided cable is ultra-flexible and super lightweight, giving your mouse an almost wireless feel. The dedicated DPI indicator can be set to any value and colors you choose (requires software), so you always know your value when adjusting on the fly. SensorPixart PMW -3360 Sensor, Max Tracking Speed : 250+ IPS. Switch Type (Main) Omron Mechanical Rated For 20 Million Clicks, MOUSE FEET TYPEG-Skates Premium Mouse Feet