Ultra-fast LIGHTSPEED Logitech gaming mouse wireless technology gives you a lag-free gaming experience, delivering incredible responsiveness and reliability with a 1 ms report rate for competition-level performance The next-generation optical HERO sensor in this Logitech mouse delivers incredible performance and up to 10x the power efficiency of previous generations, with 400 IPS precision and up to 12,000 DPI sensitivity Logitech G305 LIGHTSPEED wireless gaming mouse boasts 250 hours of continuous gameplay on 1 AA battery; switch to Endurance mode via Logitech G HUB software to extend battery life up to 9 months Wireless does not have to mean heavy, G305 lightweight mouse provides high maneuverability coming in at only 3.4 oz thanks to efficient lightweight mechanical design and ultra-efficient battery usage The durable, compact design with built-in nano receiver storage makes G305 not just a great portable desktop mouse, but also a great laptop travel companion, use with a gaming laptop and play anywhere