Wireless Keyboard and Mouse Set USB 2.4G, Wireless Keyboard Compact, Thin, Wireless Mouse Silent, for Windows, PC laptops, Desktop Computers, Silver Gray Wireless Keyboard and Mouse

2.4 GHz wireless keyboard and mouse combination (full size silver) < br > Two AA + two AAA batteries are required. Batteries need to be purchased by yourself. Buy high-quality alkaline batteries to power the keyboard and mouse. Insufficient battery may affect service life< br> Low decibel typing and almost silent clicking will not disturb people around< br> No wires and compact appearance keep your workspace clean and tidy< br> Connecting the keyboard and mouse only requires a USB nano receiver, plug and play, without installing software< br >Environmental protection ABS material, unique hidden support design, better dust-proof effect. The mouse has three adjustable DPI levels to provide accurate tracking according to your habits. If you are inactive for a long time, you will automatically enter the sleep mode. Click any key to wake up and save power< br> Some multimedia hotkeys (F1 and f8-f12) are not available for Mac OS. When using the multimedia hotkey, press and hold [FN] at the same time< br When the keyboard and mouse do not respond< br> 1.Turn off the power switch and take out the battery< br> 2.Reinstall the keyboard battery, unplug and reinsert the USB receiver. After waiting for the computer to recognize the USB receiver, press [ESC + q] for 5 seconds, and then turn on the power switch< br>3. Reinstall the mouse battery, unplug the USB receiver and reinsert it. After waiting for the computer to recognize the USB receiver again, move the mouse to the USB receiver, press [wheel + right button] for 5 seconds, and turn on the power switch at the same time< br>