HERO SENSORNext-gen optical performance—400 IPS precision and max 12,000 DPI—with up to 10x the power efficiency.ULTRA-LONG BATTERY LIFEEnjoy 250 hours of gameplay on one AA battery. Play at peak performance without worry.LIGHTSPEED WIRELESSLIGHTSPEED is an ultra-fast 1 ms wireless technology, as fast as wired.ULTRA-LIGHTWEIGHTG305 is fast and free, weighing in at 99 grams thanks to efficient lightweight mechanical design and ultra-efficient battery usage.