ENMN4018 earpiece for motorola radios

ENMN4018 earpiece for motorola radios  MTX850, MTX850LS, MTX950,MTX960, MTX8250, MTX8250LS,
MTX9250 PRO5150,PRO5350,PRO5450,PRO5550, PRO5750,
PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150,
PTX780 GP140, GP320, GP328, GP329, GP330, GP338, GP339,
GP340, GP360, GP380, GP600, GP640, GP650, GP680, GP1280
MTP700, MTP850 Ex, MTP810 Ex