The Contour RollerMouse Pro2 RM-PRO2-BLK USB Ergonomic Mouse is a high-quality mouse designed for those looking for a comfortable and efficient pointing device. With its sleek black design and adjustable weight, this mouse offers a great user experience. It features a laser tracking method, adjustable DPI up to 2400, and 4-way scrolling for precise navigation. Additionally, its ergonomic design and programmable buttons make it a great choice for users who spend a lot of time at their desk. Made by Contour Design in the United States, this mouse is a reliable and stylish option for those in need of a new pointing device.