Ergonomic designedThe mouse is specially ergonomic designed for righthanded users to reduce muscle strain. Wrist pain, shoulder fatigue, carpal tunnel syndrome and tendinitis can all be relieved. Come with intelligent power saving, the independent on/off button at the bottom can effectively save energy Stable performanceEnjoy fast data transmission with the convenience of wireless technology. 2.4GHz wireless technology provide stable and reliable connection without any interference within a 360degree range within 10 meters. Dpi ajustableEquipped with advanced optical engine to provide faster response speed, smoother tracking and higher accuracy movement. 3 DPI (800/1200/1600) meets general and gaming needs. Easy to useSolid and reliable 2.4GHz wireless connection, just plug and play. Vertical mouse size will fit perfectly in the palm of your hand. You can carry without restrictions. After-sales commitment Our products will be shipped after strict quality inspection. Due to long-distance transportation and distribution, various unpredictable situations may occur. If it is damaged or unusable, please contact us directly and we promise to respond to you within 24 hours.