ROG Harpe II Ace Gaming Mouse The ROG Harpe II Ace is an ultralight 48-gram semi-symmetrical gaming mouse with a shape developed with the help of esports professionals. It packs a raft of pro-approved technology, including the 42,000-dpi ROG AimPoint Pro optical sensor, ROG Optical Micro Switches and industry-leading 8,000Hz polling wireless performance with SpeedNova 8K wireless technology. Shaped by esports pros:   Engineered in collaboration with world-class esports professionals, perfectly balanced to enable effortless flicks and swift swipes for absolute precision in every play. 48g ultralight design:   Built with an innovative bio-based nylon material that reduces weight and enhances impact resistance. ROG AimPoint Pro optical sensor:   42,000 dpi optical sensor with track-on-glass technology. ROG optical micro switches:   Crisp, instant actuation and a 100-million-click lifespan. ROG SpeedNova 8K wireless technology:   Experience maximized precision and reliability at up to 8KHz polling rate with ROG SpeedNova 8K wireless technology. Zone mode:   Cuts straight into optimal, top-level hardware performance, customized to your standards. Web-based configurations:   Configure and customize your gear directly on a browser via Gear Link. Large 100% PTFE mouse feet:   Wide, friction-reducing mouse feet with rounded edges facilitate smooth and fast movements. Flexible connectivity:   Tri-mode connectivity plus an ROG Omni Receiver supporting multiple-device wireless connection with a single receiver.