This wireless keyboard and mouse combo uses a stable 2.4GHz wireless connection with reliable range, sharing a single nano Usb receiver that does not occupy extra Usb ports, the two devices can also be used separately. It supports plug-and-play setup with no software required for convenient, efficient use. It works with both Windows and macOS systems: press Fn+Q to switch to Windows mode, press Fn+W to switch to macOS mode, the power light turning green when switching modes. Both devices feature an automatic power-saving sleep mode that activates after a period of inactivity, when the receiver is unplugged, when the connected computer is shut down, can be woken up by pressing any key. The included mouse has three adjustable Dpi levels of 800, 1200, 1600, letting you easily adjust cursor sensitivity to match your preferences and different use cases.