VicTsing 2.4G Wireless Vertical Mouse

The intersection of innovation, maximum comfort and functionality. A mouse for the 21st century. Give You the Maximum Comfort According to people's habitual behavior, Vic Tsing vertical mouse can effectively prevent carpal tunnel syndrome, relieve fatigue and reduce burden on the arm and shoulder pain, which makes work more relaxing. Made from the Deepest Heart Modified for thousands of time to make each detail of this mouse perfect for you. Frosted surface coating with skin-like material & textured sides make this mouse sweat proof & anti-slip. Ergonomically designed extra rest areas for fingers and palm enable it to fit snug to your right hand & minimize hand fatigue after long time use. Compatible System Work well with Windows 98/ME/2000/XP/VISTA/7/8/8.1/10, and Mac OS. Note: 1. The USB receiver is inserted into the slot at the bottom of the mouse, allowing easy storage when not in use. 2. Side buttons are unavailable in Mac OS. Specifications: Product Dimension: 5.04x3.07x2.83inch/