The E7 Evoluent VM4S Mouse Vertical4 Small USB 6 Button Retail Ergonomic Mouse is a unique and ergonomic mouse designed for right-hand users. With a vertical form factor and a small size, this mouse provides a comfortable and efficient user experience. It features a scroll wheel, 6 buttons, and a wireless connectivity option for convenience. The mouse is designed for universal usage and is compatible with various operating systems including Windows, Mac, and Linux. The Evoluent brand ensures high-quality and reliability, making this mouse a great choice for anyone looking for a comfortable and efficient mouse for everyday use.