Logitech Gaming Mouse G502 (Hero) - Mouse - optical - 11 buttons - wireless, wired - LIGHTSPEED - USB wireless receiver. G502 is an icon, topping the charts through every generation, and the mouse of choice for serious gamers. Now, G502 joins the ranks of the world's most advanced wireless gaming mice with the release of G502 LIGHTSPEED. LIGHTSPEED is ultra-fast and reliable with performance trusted in competition by esports pros. G502 LIGHTSPEED also features the next-generation HERO 25K sensor and is POWERPLAY compatible. With this complete advanced technology remastering, G502 LIGHTSPEED still retains the same beloved shape-and achieves a 7-gram weight reduction.