The SEENDA MOU-302 Ergonomic Vertical Mouse is a new, sealed product designed for ease of use and comfort. With its ergonomic design, this multi-device and multi-OS mouse promotes a more natural hand position and reduces strain during long hours of use. The vertical design also allows for more precise and efficient cursor movement, making it a reliable choice for computer, tablet, and other device users looking for a high-quality mouse. Open box sold as is!