Zeadio Red Shoulder Remote Speaker Mic Microphone for 2 PIN Kenwood Baofeng Puxing Quansheng Weierwei Wouxun Radio Tk-272g Tk-272 K-278g Tk-308 Tk-320 Tk-340 Tk-340d Tk-348 Tk-350 Tk-353 Etc. Talk and listen without ever holding your radio. 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 Compatible With Kenwood/ Baofeng/ PUXING/ QUANSHENG/ WEIERWEI/ WOUXUN radios and many more that required standard 2 pin plug