Durable PTT button allows push for hands-free calling; sensitively captures clear and loud sound for transmissionIt can be used on the following radio models:Compatible Modelsfit For MotorolaSMP818, SMP318, SMP308, SMP328, SMP508, SMP520fit For TYTTYT-300 /500 /600 /800 /900 /9900 /T3TH-F2 /F3 /F5 /F6 /F7 /F8 UVF9fit For HYTTC-268, TC-368, TC-268S, TC-368S, TC-368G, TC-265, TC-265S, TC-365, TC-365S, TC-270, TC-370, TC-380,TC-380Mfit For PUXINGPX-777, PX-777 Plus, PX-666, PX-888, PX-888K, PX-328, PX-333, PX-999, PX-555fit For QUANSHENGTG-K4AT, TG-2AT, TG-45AT, TG-42AT, TG-22AT, TG-25AT, TG-UV2fit For BaofengUV-5R, UV-5X, UV-8HX, UV-5RTP.fit For BAOFENG/ fit For PofungUV-5R+Plus, UV-5R V2+, UV-5RA Plus, UV-5RB, UV-5RC, UV-5RE Plus, UV-3R+ Plus, UV-5S, UV6, UV-82, UV-B5, UV-B6, GT-3, UV-A52, WP970, BF-F8+, BF-888S, UV-6R.fit For KENWOODTK-208, TK-220, TK-240, TK-240D, TK-248, TK-250, TK-260, TK-260G, TK-270, TK-270G, TK-272G, TK-272, TK-278G, TK-308, TK-320, TK-340, TK-340D, TK-348, TK-350, TK-353, TK-360G, TK-360, TK-370, TK-370G, TK-372G, TK-372, TK-373G, TK-373, TK-378G, TK388G, Pro-Talk TK-430, TK-431, TK-2100, TK-2102, TK-2102L, TK-2107, TK-2118, TK-2160, TK-2170, TK-2170K, TK-2200, TK-2200L, , TK-2200LP, TK-2202, TK-2202K, TK2212, TK-2212K, TK3100, TK-3101, TK-3102, TK-3107, TK-3130, TK3131, TK3160, TK3170, TK3170K, TK3173, TK-3200, TK-3200L, TK-3200LP, TK-3202, TK-3202K, TK-3202L, TK-3230, TK-3230XLSTH-D7, TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, TH-K2AT, TH-K2E, TH-K2ET, TH-21, TH-21AT, TH-21BT, TH-22, TH-22A, TH-22AT, TH-22E, TH-25, TH-26, TH-27, TH-28, TH-31AT, TH-31BT, TH-41AT, TH-41BT, TH-42, TH-42A, TH-42AT, TH-42E, TH-45, TH-46, TH-47, TH-48, TH-55, TH-75, TH-77, TH-77A, TH-77E, TH-78, TH-78A, TH78-E, TH-79, TH-79A, TH-79E, TH-G71, TH-205, TH-205A, TH-205AT, TH-205E, TH-215, TH-215A, TH-225, TH-225A, TH