I found this while cleaning out my parents' house. It's a nostalgic Microsoft Wireless Mouse 5000. I don't think I used it much, so it's in good condition. I've confirmed it works with new AA batteries. I will ship it via Nekopos (a Japanese delivery service). Thank you. The following is a description automatically generated by Mercari (a Japanese online marketplace): Microsoft wireless mouse, black. Includes USB receiver. - Brand: Microsoft - Connectivity: Wireless - Color: Black - Included items: USB receiver