C640 Operation confirmed. Instant purchase is okay. Please understand that returns are not accepted. Please note that there may be oversights due to amateur inspection. Also, since the item is stored at home, there may be dirt or scratches on the exterior, so please refrain from purchasing if you are concerned. Please check the condition of the product from the photos. ⚠︎ There may be errors in the text, so please take a look at the photos. Thank you. Please refer to the profile for shipping information. ⚠︎ Some products cannot be shipped to Hokkaido, Okinawa, and remote islands. Instant purchase and purchase without comment are possible.