The Anker Ergonomic Optical USB Wired Vertical Mouse A7851 is a sleek and efficient mouse designed for maximum comfort and precision. With a black color and ergonomic design, this mouse is easy to use for extended periods of time. Made by Anker, a trusted brand, this mouse offers 5 buttons, optical tracking method, and a maximum DPI of 1600 for smooth operation. Its wired USB connectivity ensures a stable connection for seamless performance. Designed for efficiency and comfort, this vertical mouse from China is a reliable choice for any computer setup.