HERO 25K Optical Sensor: This advanced optical sensor gives the wireless gaming mouse unparalleled precision and speed with 1:1 tracking and up to 25K resolution, zero bumps or bumps for 10x speed faster than the previous version LIGHTSPEED Wireless Technology: The Logitech gaming mouse features LIGHTSPEED wireless technology for a high-performance gaming experience Long-Lasting LiPo Battery: thanks to the efficiency of the HERO 25K sensor, the battery of your gaming mouse can reach 140 hours of play with RGB lighting and 180 hours without lighting POWERPLAY Charging System: no more problems batteries while gaming, the mouse is compatible with the POWERPLAY wireless charging system Ambidextrous design: Configurable button layout lets you adjust for right- or left-handed use; customize 6-11 buttons with G HUB gaming software WIRELESS.