923-01773 Audio Board Flex Cable for MacBook 12-inch Mid 2017 A1534 MNYF2LL/A, MNYG2LL/A, MNYH2LL/A, MNYJ2LL/A, MNYK2LL/A, MNYL2LL/A, MNYM2LL/A, MNYN2LL/A This is a replacement audio board flex cable for the 12-inch MacBook Retina released in mid 2017.