This Microsoft Wireless Optical Mouse 2.0 is a great addition to your computer setup. It is compatible with both Mac and PC and can connect via USB or PS/2. This ergonomic mouse features a scroll wheel and 4-way scrolling for ease of use. With its sleek design and wireless connectivity, it is the perfect choice for anyone who wants a high-quality mouse without the hassle of cords. The model number is 1008 and it comes with 2 buttons.