BAOFENG Speaker MIC For BAOFENG UV-5R 5RA 5RB 5RC 5RD 5RE 5REPLUS 3R+ 5R EX, 5RX3 Ear 2.5mm stereo (top pin), Mic 3.5mm stereo (bottom pin) Spaced Between Two Pin: 11mm 3.5mm headphone jack