Asoyiol Ergonomic Mouse Wireless Mice is wireless and connects through 2.4GHz radiofrequency. It gives a strong and reliable connection up to 33 feet. The mouse has an ergonomic vertical design that gives a speedy performance during work. It comes with 6 programmable buttons. The mouse comes with 3 levels of adjustable DPI i.e. 800, 1200, and 1600. Its maximum DPI resolution is 1600. Also, it is equipped with an optical tracking technology that helps the mouse easily glide on the rough surface. The buttons work noiselessly. It reduces palm strain as well.