[Moe Macaroni Series] The latest color matching in 2021, looks like macaroni, giving you visual enjoyment and a pleasant mood. [Simple setting and matching] Plug in the USB receiver to use the keyboard and mouse. (The USB receiver is stored in the mouse) Please note: Step 1: Insert the USB receiver into the computer. Step 2: Install the keyboard and mouse batteries. Then the combination and the computer will automatically search for a match. A different order may cause this time to not match When they do not match, pick the battery and USB receiver. Follow the steps above to install them. Remote wireless connectionUsing the latest 2.4G wireless technology, the combination of keyboard and mouse has strong anti-interference ability. The wireless keyboard and mouse provide fast and reliable connections with almost no dropped connections or delays. [Unique mute function] The wireless keyboard adopts key noise reduction technology, which greatly reduces the click sound of the keys. It can provide a quiet and comfortable typing feel. [Strong compatibility, automatic power saving] The keyboard and mouse are compatible with PCs, computers, and laptops. They support most systems. Smart sleep mode without operation: If there is no key operation for more than 10 minutes, the wireless keyboard and mouse will automatically enter the sleep state. (The combination requires 2*AA batteries, not included)