Welcome to our store! 1. The keyboard keys are designed with individual dots, retro keycaps, and a waterproof design, offering strong compatibility. 2. The keyboard features a five-star waterproof design with lifelong waterproof functionality, ensuring more stable performance and reducing the risk of electric shock in water. 3. The wireless mouse is ergonomically designed, tailored for you, and can be mastered with one hand. It's responsive, accurately positioned, and silent. 4. Advanced 2.4G wireless technology provides a stable connection within 10 meters in all directions, allowing you to move freely. 5. It boasts strong compatibility and supports computers and tablets for OS X/iOS/Android systems universally. Item Type: Keyboard Mouse Set Mouse Interface: USB Plug and Play Support: Yes Connection Method: Wireless Working Method: Photoelectric Keyboard Interface: USB Optical Resolution: 1000DPI DPI Adjustment: 800/1000/1600 Number of Keys: 104 keys Mouse Battery: 2 x AAA batteries (not included) Keyboard Battery: 1 x AA battery (not included) 1 x User Manual 1 x Keyboard 1 x Mouse 1 x Receiver Customers are our top priority. If you find 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 after-sales service.