Portable Convenience With a durable, compact design and built-in nano-receiver storage, the G305 is not only a great desktop mouse, but also a great travel companion for your laptop. Can be used with a gaming desktop, or put in the bag of a gaming laptop and play on the go. The ultra-light G305 is designed to be lightweight and highly maneuverable. Wireless doesn’t mean bulky. The G305 is a lightweight gaming mouse that weighs only 99 grams due to its high-efficiency lightweight mechanical design and ultra-efficient battery usage. HERO SensorNext-generation HERO sensor delivers incredible performance with 10 times the power efficiency of the previous generation. HERO is an optical sensor with exceptional accuracy and responsiveness, 400 IPS accuracy and up to 12,000 DPI sensitivity. LIGHTSPEED WIRELESS Ultra-fast LIGHTSPEED wireless technology gives you a lag-free gaming experience. The G305 delivers an ultra-fast 1ms return rate, delivering unmatched responsiveness and reliability, delivering competition-grade performance. Long battery life to play at peak performance without worrying about running out of power. The G305 boasts an astounding 250 hours of continuous gaming on a single AA battery at a 1ms report rate in performance mode. The G305 has a battery indicator that flashes red when 15% of the battery remains. Switch to Endurance Mode with Logitech Gaming Software, and a single AA battery can extend battery life by up to 9 months. Endurance mode reports at 8 ms. World’s #1 Selling Wireless Gaming Gear Brand – Based on Total Independent Sales of Wireless Gaming Keyboards, Mice and PC Headsets (FEB ’19 – FEB’20) in: US, Canada, Canada, Japan, Korea, TW, ID, DE, FR, RU, UK, SE.