Authentic product. This is a used item. The sticks have been replaced with new ones. [Functionality] - The sticks and all buttons have been serviced and confirmed to be working correctly. - Confirmed to be working correctly during wireless and console connection operations. [Warranty] - If there is a malfunction, please contact us via transaction message within 3 days of arrival and before rating the item. We will handle it as an initial defect. * The serial number is recorded to prevent product substitution. [Other] - We have removed dirt as much as possible, but please check the photos for any scratches or stains. - We will disinfect with alcohol and take measures to prevent scratches before shipping. - To prevent trouble, we do not accept cancellations after the item has been shipped. (There have been cases where the returned item was not received.) - We mainly sell single items. If you would like a set of left and right Joy-Cons or wish to purchase multiple items, please contact us in the comments section. (We will offer a discount.) Please understand that this is a used item before purchasing. #nintendo #switch #任天堂 #ニンテンドー #ジョイコン #joy-con