B PIN Compatible
Brand: KZ
KZ ZST, KZ ZSR, KZ ED12, KZ ES3, KZ ES4, KZ ZS10, KZ AS06, KZ AS10, KZ BA10, KZ EDX, KZ ZST X

Brand: CCA
CCA C10, CCA C16, CCA CA2

Brand: TFZ
TFZ LIVE 1, TFZ S2 PRO

Brand: SIMGOT
SIMGOT EM1, SIMGOT EM2, SIMGOT EM3, SIMGOT MT3

Brand: FiiO
FiiO FD1, FiiO FH1S, FiiO EA3, FiiO EA1

Brand: MOONDROP
MOONDROP SSP, MOONDROP KXXS

Brand: REECHO
REECHO SG01, REECHO SG03

And other earphones with B Pin connectors.
C PIN Compatible
Brand: KZ
KZ ZSN, KZ ZSN PRO, KZ ZSN PRO X, KZ ZS10 PRO, KZ AS16, KZ AS12, KZ ZSX, KZ ZAS, KZ ZAX, KZ ASF, KZ ASX, KZ DQ6, KZ AST
‍
Brand: CCA
CCA CA4, CCA C12, CCA A10, CCA CA16, CCA C10 PRO, CCA CS16, CCA CKX, CCA CSN

Brand: NF Audio
NF Audio NM2, NF Audio NM2+, NF Audio NA2, NF Audio NA2+, NF Audio NE4
‍
Brand: QDC
QDC Uranus, QDC Anole V6, QDC Neptune, QDC Gemini

Brand: TRN
TRN ST1, TRN ST2, TRN VX, TRN STM, TRN V90S
‍
And other earphones with C Pin connectors.