Fangrui Product Details 1. Zelotes F36 9-keys Vertical Grip Ergonomic Programming Dual Bluetooth + 2.4g Wireless Mouse 2. Features: 3. Upright Mouse Grip, Comfortable And Relaxed Gestures, Reduces Muscle Damage 4. Smooth And Delicate Surface Treatment, With A Soft Skin-like Feel 5. 5-speed Dpi Adjustment Function 6. Rgb Lighting Effect, You Can Set The Color Yourself 7. Profile Switching Function, Simple Operation, One-click Setting And Saving 8. High-standard Game Configuration, Dedicated Game Chip, Outstanding Game Performance, Quick And Sensitive Response 9. The Scroll Wheel Adopts Bionics, The Leather Ring Is Nested, Non-slip And More Beautiful 10. Integrated Left And Right Buttons Help You Get A More Balanced Operating Experience 11. Integrated Shortcut Keys For Convenient Operation Of Common Functions 12. Product Parameters: 13. Number Of Buttons: 8 Keys 14. Tracking System: Optical 15. Resolution: 800-1200-1600-2000-2400dpi 16. Frequency: 2402.85mhz-2480.85mhz 17. Effective Distance: 10m 18. 2.4ghz Reporting Rate: 125-500hz 19. Bluetooth Reporting Rate: 90-115-133hz 20. Working Voltagecurrent: 3.7v10ma 21. Roller Life: About 1.2 Million Revolutions 22. Battery Capacity: 750mah 23. Charging Cable Length: 1.5m 24. Product Size: 124 X 70 X 67mm 25. Product Weight: About 110g