Professional Acoustic Earpiece for NEXTAV PTT Headset (Models BTH-600, BTH-500, BTH-400, BTH-300, NEXTAV PTT Models H1, H2, H3,H3-B)

描述

Professional Acoustic Earpiece for NEXTAV PTT HEADSET (Models BTH-600, BTH-500, BTH-400, BTH-300, and NEXTAV PTT Models H1, H2, H3,H3-B)