Right-handed Mouse - The mouse is specially ergonomically designed for right-handed users to reduce muscle tension. Wrist pain, shoulder fatigue, carpal tunnel syndrome, and tendonitis can be relieved. 2.4 GHz Wireless Mouse - Enjoy fast data transmission with the convenience of wireless technology. 2.4 GHz wireless technology provides a stable and reliable connection without interference within a 360 degree range within 10 meters Optical Mouse - Equipped with an advanced optical engine to provide faster response speed, smoother tracking, and higher movement. 3- DPI (800/1200/1600) meets general and gaming needs Energy Saving - Comes with smart energy saving, independent on / off button at the bottom can save energy effectively Wireless Vertical Mouse - Solid, reliable and easy-to-use 2.4GHz wireless connection, just plug it in and play. The size of the vertical mouse will fit perfectly in the palm of your hand. You can wear without restrictions