Fangrui Product Details 1. 2 Pcs K-snake M11 4 Keys 1600dpi Luminous Game Wired Mouse Notebook Desktop Usb Wired Mouse, Cable Length: 1.5m 2. Features: 3. Matte Surface, Fine Texture, Non-slip And Sweat-proof 4. Anti-slip Rollers, Sliding Smoothly 5. Ergonomic Design, Stable Operation, Comfortable Dance Feeling, Universal For Left And Right Hands 6. Three-speed Dpi Cycle Switching, Sensitive Response, Convenient Switching Of Dpi Value With One Button 7. Product Parameters: 8. Material: Abs, Electronic Components 9. Photoelectric Resolution: 1600 (dpi) 10. Number Of Keys: 4 (keys) 11. Interface: Usb 12. Working Method: Photoelectric 13. Wheel Direction: Touch The Wheel 14. Cable Length: 1.5m 15. Product Weight: About 120 Grams Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.