Welcome to the store! One-key multimedia button: FN + multimedia composite button for quick actions like play/pause and volume adjustment. The golden ratio angle ensures your wrist won't tire, even during long typing sessions, maintaining finger flexibility. Equipped with a high-performance 2.4 GHz chip for a wide range of stable wireless reception. Provides a seamless and stable wireless environment with high-speed and fast data transmission within 10m / 32.8ft. Plug-and-play: 2.4 GHz wireless technology, 10m / 32.8ft remote reception, 1 Mbps high-speed transmission. Item Type: Keyboard and Mouse Set Material: ABS Number of Mouse Buttons: 3 buttons Number of Keyboard Keys: 110 keys Supported Systems: for Windows XP/Win7/Win8/Win10 Mouse/Keyboard Interface: USB Mouse Battery: 1 x AA battery (not included) Keyboard Battery: 1 x AAA battery (not included) Usage: 1. Take out the USB receiver from the bottom of the mouse and insert it into the computer's USB port. The computer will automatically install the driver program. 2. Open the battery cover on the bottom of the mouse and insert one AA battery (not included) into the battery compartment (make sure the battery polarity is correct). When the mouse is turned on, it will automatically code and can be used normally. 3. Open the battery cover on the bottom of the keyboard and insert one AAA battery (not included) into the battery compartment (note that the battery polarity must be correct). When the keyboard is turned on, the code will be adjusted automatically and it can be used normally. 4. When carrying or not using it, you can also put the USB receiver in the receiver compartment on the bottom of the mouse. Includes: 1 x Mouse 1 x Keyboard (Key color is random) 1 x Manual 1 x Receiver We strive for your satisfaction and aim to provide you with a great shopping experience. If you have any questions after receiving the goods (different product quantities, damaged packaging, etc.), please contact us in time! We will provide you with the best solution.