The product is a basic optical mouse by Microsoft with a scroll wheel, suitable for standard use. It is a white-colored mouse that connects via PS/2 or USB, featuring optical tracking method and 2 buttons for functionality. Made in China, this mouse still has its original seal and is a reliable option for navigating on your computer or tablet. Compatible with various systems, this Microsoft mouse offers a straightforward and efficient user experience for everyday tasks. **Both scroll wheel do seem to have something on them as pictured**
eBay