Mice & Trackballs Professional manufacturer of keyboard and mouse factory, available in a variety of colors, ergonomic design with arc shape that fits the palm comfortably. Ideal for use with modern notebooks, compact size allows easy storage in bags without taking up space. High-frequency optical positioning technology enables reliable performance on any desktop surface. Wireless 2.4G connectivity offers plug-and-play convenience with an operating range of up to 10 meters, providing flexible usage distance and eliminating the hassle of wired connections.1. Built-in receiver for easy storage and portability 2. Plug and play functionality ensures stable and accurate movement 3. Features frosted material for improved grip, lightweight and durable construction 4. Designed to fit the natural shape of the palm, offering comfortable grip and reducing hand fatigue 5. Power-saving mode: automatically enters standby when idle (standby current: 0.4mA), and sleep mode after 15 seconds of inactivity (sleep current: 0.08mA); activation via movement 6. Optical engine delivers smooth tracking performance 7. Tested for over 20,000 hours of usage, ensuring reliable product quality Product Parameters 1. Number of Keys: 3 2. Product Size: 112*55*36mm 3. Color: Multi-color options available 4. DPI: 1600 5. Material: ABS 6. USB Connector 7. Operating Voltage/Current: DC 5V, 100mA 8. Working Temperature and Humidity: -30C to 60C, humidity not exceeding 85% RH 9. Switch Life: 1 million cycles 10. Key Lifespan: 5 million cycles 11. Maximum Acceleration: 14 inches/second 12. Key Force: 605gf to 8020gf 13. Operating Frequency: 16 channels with automatic frequency hopping; wireless carrier frequency: 2402MHz2480MHz 14. Sensor Type: Optical 15. Compatible Operating Systems: Windows 2000/2003/XP/Vista/Win7/Linux/WinCE (5.06.0)/Android (2.1, 2.2, 2.3, 4.0)/Mac 16. Warranty: 3-month replacement and 1-year limited warranty (non-human damage) 17. Certifications: CE, FCC, RoHS This mouse includes a built-in receiver. No driver installation or pairing required. Operation steps: 1. Open the battery compartment and insert the battery, observing correct polarity 2. Press the white arrow at the bottom to eject the receiver, turn on the mouse (red light will illuminate), and plug the receiver into a USB port on the computer. Ensure proper connection. Once connected, the signal light will flash and the computer will detect new hardware 3. After 35 seconds, the cursor will appear on screen and the mouse will function normally 4. DPI setting: 1600DPI resolution meets standard user requirements