Fangrui Product Details Vertical Ergonomic Wireless Mouse 2.4g Rechargeable Optical Gaming Mouse 1600 Dpi For Computer Pc Laptop Desktop Usb Mice Easy To Use, Practical And Durable. It Is The First Choice For Working, Learning, And Gaming Mice. Product: Ergonomic Vertical Silent Wireless Mouse Type: 2.4ghz Wireless Style: Charging, Battery Hand Orientation: Right Size: 12.3cm*6.2cm*7.5cm Number Of Buttons: 6 Adjustable Dpi: 800-1200-1600 Dpi Wireless Distance: 10m With The Advancement Of The Times And The Development Of Science And Technology, People's Work And Daily Life Are Increasingly Inseparable From Computers. It Takes A Lot Of Time To Operate The Computer Every Day, So The Computer-related Diseases Follow. One Of Them Is Carpal Tunnel Syndrome, Which Is Also Called "mouse Hand" Because Of The Long-term Use Of The Mouse, Resulting In Excessive Wrist Pressure, Numbness Of The Fingers Caused By Nerve Compression, Pain, And Even Neck Pain And Migraine. Seriously Even Need Amputation. This Vertical Wireless Mouse Is A Good Way To Prevent Carpal Tunnel Syndrom It Is Ergonomically Designed To Reduce The Pressure On The Wrist And Allows The User To Not Feel Tired After A Long Mouse Operation. At The Same Time, It Looks Like A Shark Fin, Looks Very Cool, Very Suitable For Young People Who Are Looking For Fashion. In Addition, It Comes In Two Styles, One Is A Charging Model, It Can Be Charged With The Usb Cable, And The Other Is A Battery Model, Which Can Be Powered By Two Aaa Batteries. If You Need To Use Your Computer For A Long Time Because Of Work, Study, Games, Etc., Then Buy This Vertical Wireless Mouse To Protect Your Wrist Package Included: Vertical Wireless Mouse Usb Receiver Usb Charging Cable (charging Model)