Apple Genuine MacBook Air 2020 A2337 M1 Headphone Audio Jack Board (820-01829-A) Applicable model is MacBook Air 13-inch A2337, so please be sure to compare with the photos. This is a used item that works normally. In the operation check, music was played back correctly from the headphone jack and the left and right channels of the speakers. A flat cable is also included. Since this is a used item, there may be scratches, dirt, paint剥げ (peeling), and traces of sticker removal in areas that cannot be confirmed in the photos. Thank you very much. Replacing the battery requires special installation tools and expert knowledge. If you are unsure about the replacement work, we recommend that you ask a professional. Please note.