The BYTECH Ergonomic Wireless Optical Mouse is a sleek gray mouse with a compact design, measuring 4.9 inches in length and 7 inches in height. It features optical tracking method with a maximum DPI of 800, making it precise and efficient for various tasks. The mouse is designed with ergonomic features to ensure comfortable use over extended periods of time. It also includes a nano USB receiver for easy connectivity and a 12-month manufacturer warranty for peace of mind. With its 3-button design and wireless connectivity, the BYTECH Ergonomic Wireless Optical Mouse offers a convenient and reliable option for users looking for a high-quality mouse for their computer setup.