SANOXY 2.4G Wireless Gaming Mouse Ergonomic Vertical Mouse 2400DPI 6 Keys Optical Mice for PC Laptop Computer. Features: Vertical mouse 2.4GHz wireless connection USB receiver. Ergonomic design can relieve and prevent carpal tunnel syndrome. Optical technology for precise control. L / R mouse button, 2 thumb button and clickable roller, DPI button. You choose the most suitable location for your hands, plug and play, This is a new generation of vertical mouse, grip comfortable, suitable for office, games, etc., supporting ergonomic design. 6D wireless mouse 2.4GHz game mouse ergonomic design vertical mouse 2400DPI. This wireless mouse vertical ergonomics design is designed to help you get rid of fatigue, care more about your health and avoid carpal tunnel syndrome after a long time using the wireless mouse.