Zeadio 8 Pin Handheld Remote Speaker Mic Microphone for Icom Hm Sm Transceiver Radio Ic-25a Ic-27a Ic-28a Ic-37a Ic-38a Ic-45a Ic-120 Ic-275 Ic-475 Ic-574 Ic-718 Ic-761 Ic-765 Ic-7200 Ic-7410 Ic-7800 Ic-9100 Etc. Sold exclusively by Zeadio 8-pin plug with easy metal clip at the top Talk and listen without ever HOLDING your radio/transceiver Built-in PTT and microphone is very handy Up/down buttons at the top