The ROG Keris II Ace is an ultralight 54-gram ergonomic gaming mouse with a shape tested by pro FPS players. Equipped with 42,000-dpi ROG AimPoint Pro optical sensor, ROG Optical Micro Switches and the ROG SpeedNova wireless technology, the Keris II Ace is also able to enhance gaming performance even further with the ROG Polling Rate Booster, which supports polling rates up to 4,000 Hz in wireless mode and up to 8,000 Hz in wired mode.