G903 LIGHTSPEED Wireless Gaming Mouse (with HERO 16K sensor) . The flagship Logitech G903 LIGHTSPEED Wireless Gaming Mouse meets next-gen HERO 16K gaming sensor for incredibly precise gameplay and 10X the battery efficiency of previous generations. HERO 16K Sensor: our most advanced, with 1:1 tracking, 400+ IPS, and 100-16,000 max DPI sensitivity plus zero smoothing, filtering, or acceleration, and 10x power efficiency of previous gen. LIGHTSPEED Wireless: pro-grade 1 ms report rate, no cable drag, no compromises on weight or battery life; esports professionals depend on LIGHTSPEED?s responsiveness and reliable connectivity 140 Hour LiPo Battery:super-efficient system design results in almost 6X the battery life of previous gen; lasts for up to 140 hours with LIGHTSYNC RGB lighting, and up to 180 hours without POWERPLAY wireless charging: Never worry about your battery life again. Add the POWERPLAY wireless charging system to keep G903 and other compatible G mice charged while at rest and at play.