This is a Microsoft 2.1a wired mouse featuring a classic two-button design with a PS/2 connector. The mouse is in used, good condition and comes in white. It is suitable for use with older computer systems that have a PS/2 mouse port, making it a practical choice for maintaining legacy hardware, for basic office tasks, or as a reliable spare. Free shipping is available for this item. As a used peripheral, its functionality has been verified, but potential buyers should note it requires a PS/2 port. Please check the listing for full details and photos to confirm its exact cosmetic state and compatibility with your setup. Microsoft 2 Button PS/2 Mouse Port Compatible Mouse 2.1a - White, good condition. Condition: Used, Made in Malaysia. Listed at 14.99 USD. Good condition Microsoft Mouse Port compatible mouse 2.1a. Works, lightly used, a little scuffed but no cracks or chips.