You can adjust the size of the flexible throat microphone to fit your neck, comfortable and tight enough to wear all day. Widely compatible with most walkie-talkies. Compatible with Retevis RT22 RT21 H-777 RT68 RT19 Baofeng UV-5R 888S pxton Arcshell walkie-talkies and more. Finger PTT gives you easy control, you can fix the PTT on your finger or handlebar, easy to use, suitable for indoor or outdoor sports. Wide range of applications： for Kenwood KPG, KPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D, KPG74D, KPG75D, KPG77D, KPG82D, KPG87D for Kenwood TH, TH-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-235, TH-235A, TH235E, TH-315, TH-315A, TH-415, TH-415A, TH-415E for Kenwood TK, Pro-Talk, Pro-Potere di Trasporto-Talk, Protalk XLS TK-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-3230XLS" for BAOFENG, Quasi Tutti I: UV5R Più, UV5R, UV-5RA, UV-5RA +, UV-5RB, UV-5RE, UV-5RE +, UV-5RC, UV5RO, UV-B5, UV-B6, BF-K5, UV-82, UV-A52, UV-8, UV8D, UV-6, UV-3R + Plus, BF-480, BF-490, BF-320, BF-V6, BF-V7, BF-V8, BF-658, BF-520, BF-530, BF-999, BF-888, BF-777, BF-666S, BF-777S, BF-888S, BF-388A, GT-3, GT-5, BF-F8 +, BF-V85, BF-A5 for HYT, TC286, TC386, TC2685, TC3865, TC6685, TC278, TC378, TC388, TC2100, TC2088 for WOUXUN, KG-UVD1P, KG-UV6D, KG-669, KG-669 Plus for PUXING, PX-777, PX-666, PX-3288, PX-888K for QUSHENGAN, TG-UV2 for TYT TH, TH-UVF1, TH-UV3R, TH-UVF9, TH-F8 for Zastone radio portatili, ZT-V68, ZT-V8, ZT-Q5, ZT-V9, ZT-8DR, ZT-V180 for Linton Radio palmare, LT-2288, LT-3288, LT-6288, LT-5288, LT-3188, LT-2188, LT-3260, LT-2268, LT-3268, LT-6188 for WEIERWEW VEV-3288S