LIGHTSPEED Wireless Gaming for Us All G304 is loaded with HERO sensor performance and LIGHTSPEED wireless connectivity in a readily-available and very-affordable package. HERO Sensor HERO sensor is the next-gen optical gaming sensor from Logitech G that accomplishes both incredible performance and unprecedented efficiency. Because, in wireless gaming, there can be no compromises. LIGHTSPEED Wireless LIGHTSPEED is an ultra-fast wireless technology that is as fast as wired. The meticulously engineered, end-to-end solution from Logitech G gives players the freedom of wireless and the 1 ms performance required for gaming. Ultra-Long Life HERO Sensor and LIGHTSPEED deliver extreme efficiency to let you game for 250 hours on just one AA. Expect around 9 months of typical use, at peak performance, before needing to change your battery.1 And don’t worry, G304 has an indicator light that reminds you at 15% battery remaining. Ultra-Lightweight At Logitech G, a wireless gaming mouse does not mean a heavy gaming mouse. G304 is very light, weighing in at only 99 grams thanks to efficient, lightweight mechanical design. 6 Programmable Buttons G304 sports 10 million click switches for the two primary buttons with click tensioning system, plus middle click, DPI button and two side buttons. All can be programmed to your liking using Logitech Gaming Software. Play Anywhere The durable, lightweight design with a small footprint and built-in nano receiver storage make G304 a great travel companion. 1 May vary based on battery discharge characteristics, user, and computing conditions.