Applicable Model: -----Dock connector only for Mac Book Air 13" A1932 2018 2019/A2179 A2337 2020/ A2141 charging port, Please confirm the applicable mobile phone model and version before purchasing, so as not to cause the cable to be inappropriate for the mobile phone. | Solve the Problems: -----for the Mac Book Air 13" cable seat is damaged, the cable is aging, broken, replaced, etc. | Installation Precautions: -----Please do not bend the for Mac Book Air 13" cable excessively to avoid damage to the installation. The whole product is relatively small, please install it patiently. | Quality Assurance: -----for the Mac Book Air 13" Dock Connector will be double-checked by the factory and the company before shipment, high quality and high guarantee, you can buy with confidence. | After-Sales Service:-----There is a 3-month guarantee period for non-artificial damage. If there is any problem with for Mac Book Air 13" charging board, please contact the seller directly, and we will reply as soon as possible and give you a solution.