Legendary Claw Grip Shape - Wide, classic righthanded shape for claw grip with a finger rest for added comfort Lightweight Honeycomb Shell - New perforated housing is engineered to be supremely durable and lightweight, meaning you can play longer without fatigue Ultraweave Cable - Innovative Ultraweave cable significantly reduces weight and cable pull while swiping. Fight against your enemies, not cable pull. Gaming-Grade Optical Sensor - Adjustable up to 16000 DPI for greater control, precision, and futureproofing High Grade Quality – Optical switches for left and right click are graded for 70 million presses that remain accurate and true till the end IP58 - The MM720 has passed IP58 Dust & Water Resistance certification, meaning the device is protected from Dust and Powerful water jet.