Fangrui Product Details 1. Mos9a 9 Keys 1600dpi Office Game Usb Voice-activated Voice Macro Programming Mouse, Cable Length: 2m 2. Features: 3. The Macro Definition Function Can Be Set To Complete A Set Of Complex Shortcut Keys. In The Future, You Only Need To Press One Key At A Time To Realize Complex Operations, Whether For Work Or Gaming. 4. 9 Key Operation, Custom Key Layout, Arbitrary Settings, Suitable For Office, Game, Engineering Design, Etc. 5. Suitable For Office, Games, Multimedia And Other Occasions 6. Ergonomic Design, Left And Right Symmetrical Design, Rounded Shape Fits The Curve Of The Hand, More Comfortable To Use 7. 3-speed Dpi Adjustment (800-1000-1600dpi) To Meet Your Needs 8. Built-in U Disk With Various Capacities, Both Mouse And U Disk 9. Built-in Temperature And Humidity Sensor, Which Can Detect Ambient Temperature And Humidity 10. Built-in Microphone, Intelligent Voice Recognition 11. Teflon Foot Pads, Anti-wear And Damage-resistant, Durable 12. The Sensor Light Source Is Infrared Led (invisible Light), Which Is Not Dazzling And Can Be Accurately Identified 13. Parameter: 14. Mos9a: Custom Key + Speaker + Microphone 15. Mos9t: Custom Button + Speaker + Microphone + U Disk + Temperature And Humidity Sensor 16. Working Method: Optical 17. Interface: Usb 18. Number Of Keys: 9 Keys 19. Line Length: 2 Meters 20. Packing List: Mouse, Instruction Manual, Certificate Of Conformity, Packing Box 21. Dimensions: 12.5 X 7.2 X 4.1 Cm 22. Weight: About 140 G