ExpertPower Heavy Duty Speaker Mic for Kenwood and Baofeng Two Way Radios IP54 Certified Water and Dust Over all Rating 3.5 mm audio input jack for external earphone attachment PTT (Push to Talk) feature for easy access shoulder communication High Quality Polycarbonate enclosed Housing structure with 2 pin connector design 360 Degree Revolving Back Clip, with 8 positions to meet User Guide.