SteelSeries Rival 310 Gaming Mouse Rival 310 delivers true esports performance. Featuring the new custom TrueMove3 12,000 CPI, 350 IPS optical sensor and exclusive split-trigger buttons, you'll have the power of ultra-low-latency, rapid-response tracking and the performance of lightning-quick clicks. The world-renowned ergonomic Rival design gives you the same comfort and confidence the pros rely upon. Plus, Prism RGB illumination with lighting sync, six programmable buttons, on-board memory, and a light, durable construction combine to deliver the perfect esports mouse.