Thank you for viewing. Proto Arc Trackball Mouse - Unused This item is unused. Shipping will be via Sagawa Express. Since it is an unused item, the operation has not been confirmed. Free shipping. For Sagawa Express, additional charges apply for Hokkaido, Okinawa, remote islands, and Kyushu. The size and the category size are based on my personal opinion, so please use them as a reference only. The images may look slightly different in color and texture due to light reflection, etc., as they were taken by an amateur. Please understand this. Please check the photos carefully before purchasing. *Notes* I will try my best to answer your questions, but I may overlook them or be unable to answer them. Please refrain from purchasing if you are not satisfied. Please participate only if you understand the above. Management number: 070824