Welcome to our store! 1. Reliable 2.4GHz Wireless Connection: With advanced 2.4GHz wireless technology, plug the USB receiver into the USB port, and the wireless keyboard and mouse will establish a connection with your computer without any other driver. 2. Fast and Stable Data Transmission: Experience no delay or loss, with a working range of up to 10 meters. 3. Silent Scissor Switch: This design provides quiet keystrokes and quick rebound, effectively improving work efficiency. 4. Wireless Keyboard and Mouse Combo: Features a stable scissor mechanism under each key and a compact form, delivering an extremely comfortable and accurate typing experience. 5. Ultra-Thin Portable Design: This keyboard is not a full-size keyboard, lacking a 10-key numeric keypad, but it's compact and portable with a simple style that saves space and is easy to carry. Highly suitable for business trips. Item Type: Keyboard and Mouse Set Wireless Mouse Frequency: 2408MHz-2474MHz Wireless Mouse Channels: 34 (frequency hopping) Wireless Working Distance: Approx. 10 meters / 32.8 ft (maximum) Wireless Rated Voltage: 1.5V Mouse Sensory System: Optical Mouse Resolution: 1200DPI USB Version: 1.1 (receiver) Battery: Keyboard and mouse, each requires an AA battery (not included). 1 x Keyboard 1 x Mouse 1 x Receiver Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.