Ham Radio 7.1mm Adapter Speaker Microphone with U94 PTT for Yaesu Vertex VX-1R/VX-2R/VX-3R/VX-5R/VX-210 Speaker Microphone: Use high impact ABS and Polycarbonate plastic housings for ruggedness Use High quality speaker and noise-cancelling mic provide loud and clear sound Environmental PU cable reinforced with coiled cord Microphone with sturdy plastic 360 rotating clip. The microphone can be clipped on the collar or shoulder position Microphone with 3.5mm audio jack Undergone comprehensive testing including high altitude performance,vibration,mechanical shock,thermal cycling,external short circuit and overcharge test simulations U94 PTT: Button activated PTT (push to talk) unit with a strong back clip which provides a secure attachment Made of high quality ABS,compact size and convenient to carry The metal clip on the back for carrying on vest/strap Easy installation and easy to manipulate Compatible Radio Models: For YAESU Vertex: FT-10R,FT-40R,FT-50R,FT-60R,FT-250R,VX-10,VX-110,VX-130,VX-131,VX-132,VX150,VX-160,VX-168,VX-180,VX-210,VX-210A,VX-300,VX-350,VX-354,VX-400,VX-410,VX-420,VXF-1,VXT-10,VXT-20,VX-1R,VX-2R,VX-3R,VX-5R For Retevis: RT40 RB615/RB15 Package included: 1 x U94 PTT Headset Adapter 1 x Speaker Microphone