· Next-gen 12,000 DPI HERO optical sensor delivers unrivaled gaming performance, accuracy and power efficiency· Advanced LIGHTSPEED wireless gaming mouse for super-fast 1 ms response time and faster than wired performance· Ultra-long battery life gives you up to 250 hours of continuous gaming on a single AA battery· Lightweight mechanical design and classic shape for maximum maneuverability, durability and comfort· Compact, portable design with convenient built-in storage for included USB wireless receiver