Premium Mouse Glass Skates for Xtrfy M4 and M4 Wireless. Retail price: 3,988 yen (tax included). Immediate purchase without notice is welcome. Price negotiations and holds are not accepted. We cannot accept additional requests or changes to conditions after purchase. This is a new, unopened item. Please refrain from purchasing if you are concerned about minor imperfections. [Comments] There are no smokers in my home. (No tobacco smell.) There are no pets either. Regarding price negotiations, I am sorry, but I am unable to respond promptly due to my busy work schedule, so I will have to decline.