G305 features the next-gen HERO sensor with 12,000 DPI sensitivity and LIGHTSPEED wireless 1 ms performance. It’s long-lasting with 250 gaming hours from one AA battery (an indicator light reminds you before you need a new AA), ultra-portable with built-in nano receiver storage, lightweight weighing in at 99 grams, and ready to game with 6 programmable buttons. G305 is the LIGHTSPEED wireless mouse for all. HERO Sensor The next-generation optical HERO sensor delivers incredible performance and up to 10x the power efficiency over previous generations, with 400 IPS precision and up to 12,000 DPI sensitivity. LIGHTSPEED Wireless Ultra-fast LIGHTSPEED wireless technology gives you a lag-free gaming experience, delivering incredible responsiveness and reliability with 1 ms report rate for competition-level performance. Ultra-Long Life G305 wireless mouse boasts an incredible 250 hours of continuous gameplay on just 1 AA battery; switch to Endurance mode via Logitech G HUB software and extend battery life up to 9 months. 6 Programmable Buttons This computer mouse sports 10 million click switches for the two primary buttons with click tensioning system, plus middle click, DPI button and two side buttons. Lightweight design 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 Play Anywhere 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.