ROG says the Gladius IV Ace’s ergonomic shape came out of sports science testing with professional players, and it’s meant to reduce muscle strain during long sessions. In testing, players kept steadier tracking and stayed accurate even after fatigue set in, including during quick 180 degree flicks. The mouse weighs just 56 grams out of the box, but you get 3, 5, and 7 gram weights to fine tune the feel across seven different configurations. Every unit is also tested to keep left...
