MODULAR SHELL DESIGN: Modular Shell Design Changes the Way You Play Pulsefire Saga Pro uses interchangeable magnetic components to adapt to different grip styles. Swap from smooth to ergonomic buttons, change shells, and switch side buttons easily and tool free. PRO-GRADE 4K POLLING RATE: Make every movement count. Pulsefire Saga Pro is equipped with true 4k wireless polling that reports its position up to 4000 times per second! Capture every move with precision and accuracy. LIGHTWEIGHT: At only 72 grams, Pulsefire Saga Pro is lightweight in any stock configuration. However you play, this mouse is light enough to make quick reactive movements or broad sweeping motions with ease. LONG BATTERY LIFE FOR EPIC GAMING SESSIONS: Tackle long gaming sessions like a pro. Pulsefire Saga Pro can run up to 90 hours on a single charge in standard 1 kHz mode. Switch to 4 k polling mode for up to 30 hours of pro-tier performance. HYPERX OPTICAL SWITCHES: HyperX Optical Switches combine laser-accurate actuation with a tactile feel. Optical switches capture clicks rapidly and accurately with no debounce. Click confidently with reduced input latency.