Cool Shark Fin Ergonomic

Feature:•  This vertical wireless mouse is a good way to prevent carpal tunnel syndrome. •  It is ergonomically designed to reduce the pressure on the wrist and allows the user to not feel tired after a long mouse operation.•  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 (Baattery Not include).•  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!•  Product: ergonomic vertical wireless mouse•  Size: 12.3cm*6.2cm*7.5cm Package Included:1* vertical wireless mouse1*USB receiver1*USB charging cable (charging model)