Fangrui Product Details 1. Zelotes F35 6-buttons Vertical Grip Ergonomic Rechargeable Wireless Mouse 2. Features: 3. Upright Mouse Grip, Comfortable Gestures, Reduce Muscle Damage 4. Smooth And Delicate Surface Treatment, With A Soft Skin-like Feel 5. 3-speed Dpi Adjustment Function, 1000-1600-2400dpi 6. Ergonomic Design, No Fatigue After Long-term Use 7. Built-in Heavy Iron, Comfortable Movement, Stable Movement 8. The Scroll Wheel Adopts Bionics, The Leather Ring Is Nested, Non-slip And More Beautiful 9. Integrated Left And Right Buttons To Help You Get A More Balanced Operating Experience 10. Product Parameters: 11. Number Of Buttons: 6 Keys 12. Resolution: 1000-1600-2400dpi 13. Frequency: 2405mhz-2476mhz 14. Effective Distance: 10m 15. 2.4ghz Report Rate: 250hz 16. Working Voltagecurrent: 3v4ma 17. Battery Capacity: 800 Mah 18. Working Mode: Photoelectric 19. Scroll Wheel Direction: Four-way Scroll Wheel 20. Product Size: 110 X 72 X 75mm 21. Product Weight: About 130g