One of the best wireless gaming mice ever made. Logitech G602 Wireless Gaming Mouse will give you a device with 11 customizable buttons, game-specific profiles, on-the-fly adjustable DPI, and long-life battery usage with the ability to switch between Performance and Endurance modes, which give up to 250 hours and 1440 hours of usage time, respectively. The ergonomic design and textured grip allow for a comfortable hand hold, which makes this G602 2.4GHz Wireless USB Gaming Mouse an even greater pleasure to use. G602 Wireless Gaming Mouse. G602 redefines the laws of wireless gaming, with up to 250 hours of battery life, plus high accuracy Delta Zero - technology and an ultra-durable build.