【2.4Ghz Wireless Connection】Stable and reliable connection of wireless keyboard and mouse is up to 10m(33ft). This combo share a nano USB receiver, no need to take upadditional USB ports (Also the wireless keyboard and mouse can also be used separately). Plug and play, no software needed,convenient and efficient. | 【Dual-System Layout】Suitable for windows and mac os. Press Fn+Q= Windows mode,Press Fn+W= Mac mode. When you switch to Mac mode, the power indicator light will turn green. | 【Auto Power Saving Function】Wireless keyboard and mouse have a smart auto-sleep mode to save power. They will enter sleep mode after stop using a while(Refer to the instructions for details). Unplug the receiver or after the PC shutdown, they will enter sleep mode too. You can press any keys to wake. (battery life may vary based on user and computing conditions) | 【3 DPI Adjustable】 800-1200-1600 adjustable DPI this 2.4GHz cordless wireless mouse has 800-1200-1600 ADJUSTABLE DPI. And with 10m connection distance. easily change the sensitivity of the cursor according to your actions, and meet different people according to your preferences. | 【AFTER-SALES SERVICE】Our promises that OUR PRODUCT HAVE A 12-MONTH FREE AFTER-SALES SERVICE. If you encounter any problems during use, please contact us via Amazon email, we will provide a satisfactory solution. | 【Note】 Battery are not included. You need to prepare 2*AAA batteries and 1*AA battery yourself.