Professional manufacturer of keyboards and mice, offering a variety of colors to choose from. Ergonomic design with an arc shape that fits the palm, making it ideal for popular color notebooks. It's very convenient to put in your bag without taking up any space. High-frequency optical positioning technology can be used on any desktop. Wireless 2.4G, plug and play, with an operating distance of up to 10 meters, flexibly matching your usage distance and eliminating the hassle of wired connections. Built-in receiver for easy collection. Plug and play, moves more stably and accurately. Uses frosted material, good grip, lightweight and durable design. Enjoy comfort and ease everywhere, fitting the palm's shape for a natural and comfortable grip to reduce hand fatigue. Power saving: enters standby mode when stopped (standby current 0.4mA), and enters sleep mode after 15 seconds of inactivity (sleep current 0.08mA, activation method: mobile activation). Optical engine: smooth experience. Withstands over 20,000 hours of use, ensuring product quality. Product Parameters 1. DPI: 1600 2. Number of keys: 3 3. Product size: 112*55*36mm 4. Color: Multiple color options and customization 5. DPI: 1600 6. Material: ABS 7. USB connector 8. Operating voltage/current: DC5V±5% 100mA 9. Working temperature and humidity: Working temperature: -30°C to 60°C. Humidity: not higher than 85%RH. 10. Key life: 1 million times 11. Switch life: 5 million times 12. Maximum acceleration: 14 inches/second 13. Key specifications: 605gf:80±20gf 14. Working group frequency: 16, automatic frequency hopping. Wireless carrier frequency: 2402MHz-2480MHz 15. Photoelectricity 16. Operating system environment: Windows/2000/2003/XP/Vista/Win7/Linux/WinCE(5.0/6.0)/Android (2.1, 2.2, 2.3, 4.0)/Mac 17. Quality assurance: 3-month exchange and 1-year warranty (non-human factors) 18. CE, FCC, and RoHS This mouse comes with a receiver, no need to power, no need to code. Specific operating steps: 1. Open the battery compartment, insert the battery, paying attention to the positive and negative poles. 2. Press the white arrow at the bottom, the receiver will pop up, the mouse's red light will illuminate, and the receiver will be connected to the computer's USB interface. Ensure good contact between the receiver and the USB interface. If connected, the receiver's signal light will start flashing, and it will appear on the computer screen. In the lower right corner, there will be a prompt to find new hardware. 3. After waiting for 3-5 seconds, the mouse cursor will appear on the display, and the mouse will start working normally. 4. Mouse DPI: 1600 DPI resolution, meeting customer resolution requirements.