SUNDELY FBI Style Covert Acoustic Tube Headset/Earpiece with VOX-PTT Switch for Motorola Talkabout Radio Walkie Talkie EM1000 MS350 TKLR-T3 FV200 SX920R 1-pin FBI Style Covert Acoustic Tube Headset/Earpiece with VOX-PTT Switch for Motorola Talkabout Radio Walkie Talkie 2.5mm 1-pin plug, Hidden mic in PTT button, VOX-PTT Switch EM1000, EM1000R, EM1010TPR, EM1020R, MJ270R, MS350, MS355, F60, FV200, FV200R, FV200AA, FV300, FV500, FV500R, FV500AA, FV600, FV700, FV750, FV800 MR350R, MR355R, MR356R, MH230R, MB140R, MC220R, MC225R, MH230R TKLR T3, T4, T5, T6, T7, T8, T9, T60, T80, T270, T280, T289, T4000, T4512, T4800, T4900, T5000, T5100, T5146, T5200, T5300, T5320, T5400, T5410, T5412, T5420, T5422, T5500, T5512, T5522, T5532, T5550, T5600, T5620, T5700, 5710, T5720, T5725, T5800, T5820, T5822, T5900, T5920, T5950, T6000, T6200, T6210, T6212, T6220, T6222, T6250, T6300, T6310, T6312, T6320, T6322, T6400, T6412, T6500, T6510, T6550, T6512, T6552R, T6500AA, T7000, T7100, T7150, T7200, T7400, T7450, T8000, T8500, T9000, T9500