1、Easy To Use: 8 pin plug HM‑36 speaker microphone, the up and down buttons on the top, the response and operation is more convenient and sensitive. 2、Clear Sound: High quality speaker and microphone provide clear communication, the body is made of high quality plastic material, wear resistant and durable. 3、Drive Free: Plug and play, you can use this mobile microphone without drivers and other special settings, which is convenient and quick to use. 4、Hands Free: Integrated PTT and convenient microphone, with a simple metal clip on the top, you can talk and listen without having to hold the radio or transceiver. 5、Compatible: This speaker microphone is compatible for ICOM IC‑25 IC‑28 IC‑28A IC‑38 IC‑45 IC‑48 IC‑77 IC‑78 IC‑120 IC‑228 IC‑229 IC‑271 IC‑275 IC‑290 series radio. Item Type: Microphone Material: Plastic Color: Black Model: HM-36 Interface: 8pin Compatible Models: Suitable for ICOM IC-25 IC-28 IC-28A IC-38 IC-45 IC-48 IC-77 IC-78 IC-120 IC-228 IC-229 IC-271 IC-275 IC-290 IC-375 IC-451 IC-471 IC-475 IC-505 IC-574 IC-575 IC-707 IC-718 IC-725 IC -728 IC-729 IC-735 IC-736 IC-737 IC-738 IC-745 IC-746 IC-751 IC-756 IC-761 IC-765 IC-775 IC-781 IC-820 IC-821 IC-900 IC-901 IC-910 IC-970 IC-970A IC-970H IC-1201 IC-1271 IC-1275 IC -2400 IC-3200 IC-3210 IC-756PROIII IC-746PRO IC-7400 IC-7410 IC-7200 IC-7600 IC-7700 IC-7800 IC-9100 1 x Microphone