WIDE COMPATIBILITY - Well compatible with windows 2000/XP/Vista/ Windows 7/ Windows 8/Windows 10nux/mac. Fits for desktop, laptop, PC, Macbook and computer LOW POWER CONSUMPTION - If no operation for 10 minutes, the mouse will turn into sleep mode automatically to save energy, press any button to wake it up. Note: powered by 2*AA battery (not included). LOW POWER CONSUMPTION - If no operation for 10 minutes, the mouse will turn into sleep mode automatically to save energy, press any button to wake it up. Note: powered by 2*AA battery (not included). aves you battery power:Its on/off function by folding it.Compact wireless optical mouse with long rang wireless distance with 2.4GHZ. Arc The curve opens. Level off and close. No pushbutton switch. The green light flashes to show that the battery is working, and then turns off to save battery life. Color: Black