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 properly. ・Normal operation has been confirmed during wireless and console connection. [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 review of the product. ※ The serial number is recorded to prevent product replacement. [Other] ・We have removed dirt as much as possible, but please check the photos for scratches and stains. ・We will disinfect with alcohol and take measures to prevent scratches before shipping. ・To prevent trouble, we do 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 individual items. If you would like a set of left and right or if you wish 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 (Nintendo) #ニンテンドー (Nintendo) #ジョイコン (Joy-Con) #joy-con