This is an authentic product. It 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 properly. ・Normal operation has been confirmed during wireless and console connection. [Warranty] ・If there is a functional defect, we will respond as an initial defect if you contact us via transaction message within 3 days of product arrival and before you rate the product. ※The serial number is recorded to prevent product substitution. [Other] ・We have removed dirt as much as possible, but please check the photos for scratches and stains. ・We will disinfect with alcohol and ship with scratch protection. ・To prevent trouble, we will not accept cancellations after the product has been shipped. (There have been cases where the product was not returned in the past.) ・We mainly sell single items. If you want a set of left and right or want to purchase multiple items, please contact us in the comments. (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