Wendry Vertical Wireless Ergonomic Mouse - 2.4GHz Wireless Connection, Rechargeable Battery, Comfort Grip Design for Office & Gaming | Compatible with Windows PC, Laptop, Mac | Reduces Wrist Pain for Long Work Hours

Specification: Project Type: Ergonomic optical mouse Resolution: 800 dpi; 1600 dpi; 2400 dpi. Button: 4 buttons and 1 wheel (middle button) and 2 dpi (adjustable) Maximum Working Range: Approx. 10 meters/32.8ft Charging Line Length: Approx. 80 cm/31.4inch Color: Black + Red Material: ABS Button Life: 5 million times System Requirements: For Windows 98/Me/2000/XP/Vista/Win 7/Win8/Win10 or the latest version Package List: 1 x Mouse 1 x USB Charging Cable 1 x User Manual 1 x Receiver Note: 1. This mouse does not require an AA battery. There is a battery inside the mouse! You can use the USB cable to charge!!!! Now you don't have to worry about buying a battery again! 2. This wireless mouse's vertical ergonomics help you get rid of fatigue after using your wireless mouse for a long time. More concerned about your health. Avoid carpal tunnel syndrome.