Fangrui Product Details 1. Universal Interesting Wireless Mouse Car Mouse 1600dpi 2.4ghz Bluetooth Mouse Laptop Accessories Portable 3 Keys Laptop Mouse 2. Description: 3. Name: Photoelectric Mouse 4. Number Of Keys: 3 (keys) 5. Interface: Usb 6. Wireless Transmission Frequency: 2.4ghz 7. Color: Black, Blue, Red, Silver 8. Specifications: 9. Realize Wireless Free Movement Within A Distance Of 10 Meters; 10. The Resolution Frequency Conversion Button Can Realize The Resolution Frequency Switching (1000dpi-1200dpi-1600dpi) Three-speed Regulation; 11. 3, Can Realize Up And Down Line By Line Scrolling; 12. Automatic Sleep Power Saving Function, Intelligent Sleep Saves Power And Is More Durable; 13. Shortcut Key Buttons Can Be Used To Browse Internet Or Applications, And Easily Realize The "forward" And "backward" Functions On The Toolbar; 14. High-performance Wear-resistant Foot Pads Make It Easy To Achieve Barrier-free Sliding. 15. Wireless Mouse, No Line, If There Is A Large Screen, It Can Be Operated Far Away, Easy To Carry, Easy To Travel Or Something. With Two Seven Batteries, The Mouse Has An Automatic Sleep Function. Can Save Electricity For A Long Time. 16. Package Included: 17. 1 * Mouse, 1 * Receiver