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 their normal operation has been confirmed. ・Normal operation has been confirmed both wirelessly and when connected to the main unit. [Warranty] ・If there is a functional defect, we will address it as an initial defect if you contact us via transaction message within 3 days of product arrival and before the receipt evaluation. ※We have recorded the serial number 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 the product with alcohol and ship it with scratch protection. ・To prevent trouble, we do not accept cancellations after the product has been shipped (as we have had cases where the product was not returned in the past). ・The main items are sold individually. If you want a left/right set or wish to purchase multiple items, 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 (Nintendo) #ニンテンドー (Nintendo) #ジョイコン (Joy-Con) #joy-con