Ultra-lightweight, ergonomic design at best-in-class 47g Dynamic accuracy with 26k DPI/650 IPS (16.5m/s) optical sensor Pre-tensioned buttons for fast, satisfying clicks TITAN Switch Optical for a tactile feel with optical speed Long-lasting switch durability - 100M click lifecycle Lag-free 2.4GHz wireless & Bluetooth dual connectivity Up to 120 hours of battery life