Intelligent sleep mode can better extend battery life. It will enter auto sleep mode if you don't use it for 5 minutes to save battery and need to click it, the mouse will enter working mode again.2.4 GHz wireless provides stronger anti-interference ability, a faster transmission speed and a more reliable connection, working distances can up to 10 m.Well compatible with Windows7/8/10/Xp, Vista, Mac Os X 10.4 etc. Fits for desktop, laptop, Pc and other devices.