Adorable Macaroni SeriesWith the latest color matching in 2021, it looks like macaroni, giving you visual enjoyment and pleasant mood.^ Simple Setup and MatchPlug in the USB Receiver to Use the Keyboard and Mouse. (USB Receiver is Stored in the Mouse) Please pay attention: Step 1: Plug the USB receiver into the computer. Step 2: Install the batteries of the keyboard and mouse. Then the combo and computer will automatically search for match. Different order may cause this time cannot match. When they cannot match, pick out batteries and USB receiver. Install them follow the steps above.^ Remote Wireless ConnectionUsing the Latest 2.4G Wireless Technology, the Keyboard and Mouse Combo has Strong Anti-interference Ability. Wireless Keyboard and Mouse Provide Fast and Reliable Connection, with Almost No Dropout or Delay.^ Unique Quiet FunctionThe Wireless Keyboard Adopts Key Noise Reduction Technology, Which Greatly Reduces the Click Sound of Keys. It Can Provide a Quiet and Comfortable Typing Feeling.^ Wide Compatibility & Auto Power-SavingThe Keyboard and Mouse are Compatible with PC, Computer, Laptop. They Support Most Systems. No Operation Intelligent Sleep Mode: If There is no Key Operation for More Than 10 Minutes, the Wireless Keyboard and Mouse will Automatically Enter the Sleep State.