FANVERIM 8-Pin Plug Remote Lapel Speaker Mic Compatible For Kenwood Radio Tm-2570A/Tm-3530A, Tr-751A, Tr-851A, Tw-4000A, Tw-4100 Compatible with that require 8-pin plug* TM-201A/TM-401A, TM-201B/TM-401B, TM-211A/TM-411A, TM-221A/TM-321A/TM-421A/TM-521A, TM-231A/TM-331A/TM-431A/TM-531A, TM-241A/TM-441A/TM-541A, TM-621A/TM-721A, TM-631A/TM-731A, TM-701A, TM-2530A/TM-2550A/TM-2570A/TM-3530A, TR-751A, TR-851A, TW-4000A, TW-4100A* TS-50S, TS-60S, TS-140S, TS-430S, TS-440S, TS-450S, TS-570, TS-590S, TS-660, TS-670, TS-680S, TS-711A, TS-790A, TS-811A, TS-811B, TS-850S, TS-870S, TS-930S, TS-940S, TS-2000 Modular 8-pin plugThis mic speaker is made of durable material with the RJ-45 6-pin plug Just clip the speaker mic where convenient and use it to listen and transmit. Push-To-Talk button and microphone are located on the accessory for quick and easy use. Heavy duty push to talk PTT button located on the side and easy slid-on metal clip at the back.