Portable Convenience Durable, compact design with built-in nano-receiver storage makes the G305 not just a great desktop mouse, but a great laptop travel companion. Use it with your gaming desktop, or put it in your bag, your gaming laptop bag, and play anywhere. UItra-Lightweight G305 Lightweight design with high mobility. Wireless doesn’t have to mean heavy. The G305 is a lightweight gaming mouse, weighing only 99 grams, with an efficient and lightweight mechanical design and ultra-efficient battery usage. HERO Sensor The new generation of HERO sensors offers incredible performance and up to 10 times the power efficiency of the previous generation. HERO is an optical sensor with 400 IPS accuracy and up to 12,000 DPI sensitivity, providing excellent accuracy and responsiveness. LIGHTSPEED WIRELESS Ultra-fast LIGHTSPEED wireless technology brings you lag-free gaming. The G305 offers incredible responsiveness and reliability with an ultra-fast 1ms reporting rate for competitive performance. Ultra-Long Battery LifePlay at peak performance without worrying about running out of power. G305 only needs one AA battery to have 250 hours of continuous game speed in performance mode, 1ms return rate. The G305 has a battery indicator that flashes red at 15% charge remaining. Switch to Endurance mode via Logitech Gaming Software to extend battery life by up to 9 months on a single AA battery. Endurance mode reports 8 ms. World NO.1 Best-Selling Wireless Gaming Gear Brand – Based on Independent Aggregated Sales Data of Wireless Gaming Keyboards, Mice and PC Headsets (Feb 19-20 20) Units: US, CA, CN, JP, KR, TW, TH, ID, DE, FR, RU, UK, SE, TR.