Ergonomic design the key travel is reasonable you won't be easy to get fatigue even when you use it for a long time beautiful and practical; - Mouse using ultrathin arc design accord with human body engineering structure; Ultra thin and fits hand well so you can let your fingers naturally extend not easy to get fatigue; - Using the latest most sophisticated 2.4Ghz optical signal transmission technique signal is stable and strong to resist interference; - The extreme simplicity of the ultra-thin shape permeated with a strong flavor of fashion; - Mini shapeeasy to carry; - Low voltage alarm function when the battery power is low the indicator light on the keyboard or mouse will remind you to replace the battery; - Just plug the receiver into the computer's USB port and use; - Intelligent power management system: multi-mode power saving function support PC standby wakeup connectionless auto sleep without action.