Logitech G604 Lightspeed Wireless Gaming Mouse With 15 programmable controls, LIGHTSPEED wireless technology, hyper-fast scroll wheel, and the revolutionary HERO 16K 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 mms 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. Logitech G440 Hard Gaming Mouse Pad for High DPI Gaming G440 features a low friction, hard polymer surface ideal for high DPI gaming, improving mouse control and precise cursor placement.