Zeadio Shoulder Remote Speaker Mic Microphone for 2 PIN Kenwood Baofeng HYT Puxing Quansheng Weierwei Wouxun Linton Radio Tk-2000 Tk-3000 Tk-2160 Tk-3160 Tk-2170 Tk-3170 Etc. Push-to-talk button and microphone are located on the accessory for quick and easy use. Great for noisy AND quiet areas because speaker is located right near user's ear. Radio can be placed anywhere with Microphone/Speaker conveniently located - wear it on your collar to keep the volume near your ear Built-in PTT and microphone is very handy Talk and listen without ever holding your radio. Note: please confirm if the model and brand of your radio in the compatibility list below. Otherwise it may cause compatibility, functionality or other issues.