I/O USB-C board flex cable connects the I/O USB-C board to the logic board.
Compatible with MacBook 12" Retina A1534 2016 2017 ,NOT for 2015 year series
Compatible with MacBook9,1 Early 2016 A1534 (EMC 2991): MLHA2LL/A or MLHC2LL/A or MLH72LL/A or MLH82LL/A or MLHE2LL/A or MLHF2LL/A or MMGL2LL/A or MMGM2LL/A or BTO/CTO
Compatible with MacBook10,1 Mid 2017 A1534 (EMC 3099): MNYF2LL/A or MNYG2LL/A or MNYF2LL/A or MNYG2LL/A or MNYF2LL/A or MNYG2LL/A or MNYF2LL/A or MNYG2LL/A or BTO/CTO