1.A breakthrough in design and engineering.LIGHTSPEED Pro-grade wireless, advanced LIGHTSYNC RGB Intelligent Vortex, and a pro-grade mechanical dwarf shaft. Built with premium materials. Available in black and white. 2.Technical Specifications Sprint Trigger GL T Mechanical Shaft Trigger stroke: 1.5 mm Trigger force: 50 grams Total Travel Distance: 2.7 mm 3.Battery Life 40 hours (100% brightness) 4.Onboard Memory 2 light profiles 3 macro profiles 5.Other Features LIGHTSPEED Wireless 6.Bluetooth LIGHTSYNC RGB, key-independent lighting Dedicated media controls and infinity volume wheel