Authentic product. This is a used item. The stick has been replaced with a new one. [Functionality] ・The sticks and all buttons have been serviced, and normal operation has been confirmed. ・Normal operation has been confirmed during wireless and console-connected operation. [Warranty] ・If there is a malfunction, we will handle it as an initial defect if you contact us via transaction message within 3 days of product arrival and before the evaluation of the item. ※The serial number is recorded to prevent replacement. [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 ship with scratch protection measures. ・To prevent trouble, we do not accept cancellations after the product has been shipped. (There have been cases where the returned product was not received.) ・We mainly sell single items. If you would like a set of left and right controllers or multiple purchases, please contact us via comment (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