With 15 programmable controls, LIGHTSPEED wireless technology, hyper-fast scroll wheel, and the revolutionary HERO 25K sensor, G604 offers both versatility and high-performance with endless possibilities to play with mastery. Dual connectivity lets you toggle between Bluetooth® and ultra-fast 1 ms LIGHTSPEED™ advanced wireless technology—even on separate machines. Extremely accurate tracking and class-leading power efficiency enables up to 240 hours of high-performance gaming with one AA battery.