Apple Computer, MacBook 12-inch 1.1/1.2/1.3 GHz Core M (M-5Y31, M-5Y51, M-5Y71), Compatible Order Number, MJY32LL/A, MJY42LL/A, Compatible Model Number, A1534, Model Year, Early 2015, Part Name, Audio Board (Space Gray), Manufacture Part Number, N/A, EMC Number, EMC 27461, EMC 2746, EEE Code, N/A, Compatible Apple Computer, MacBook (12-inch, Early 2015)
Order you product here: 923-00440 Audio Board (Space Gray) for MacBook 12-inch Early 2015 A1534 MJY32LL/A, MJY42LL/A, 923-00440
source http://info.applepartsellers.com/923-00440-audio-board-space-gray-for-macbook-12-inch-early-2015-a1534-mjy32ll-a-mjy42ll-a