HyperSpeed Wireless technology of 2.4 GHz ensures optimal power consumption and reduces the latency to deliver lag-free performance Ergonomic design minimizes hand fatigue ensuring improved consistency even after hours of use Razer 5G Advanced 14000 DPI optical sensor detects even minute movements for rapid feedback and superior tracking Razer Mechanical Mouse Switches Gen-2 are built with gold-plated contact points to make it withstand up to 60 million clicks for a reliable command execution Seven programmable buttons including 2 new quick-access edge buttons and 2 side buttons ensure easy assignment of commands for smooth gameplay Powered by AA alkaline battery that guarantees a running time of up to 235 hours before you need a battery replacement