BAOFENG Speaker MIC for Two Way Radio UV-5R 5RA 5RB 5RC 5RD 5RE 5REPLUS 3R+ Ear 2.5mm stereo (top pin), Mic 3.5mm stereo (bottom pin) Handheld speaker microphone, easy to speak and hear. Red light indicates signal transmit status. With anti noise design microphone for clear communication. With mono channel earphone port design.