This is a d shape earpiece suitable for the VERTEX/YAESU VX10, VX300, VX410/420, VXF1, VXFIR, VX110, VX150, VX2R, VX5R, FT50/60 walkie talkies. The unit comes with an in-line microphone and push-to-talk button which has a clip for easy attachment to clothing.
Dimension: Ø6mm x 5mm
Sensitivity: -40 ± 3 dB
Impedance: 32Ω ± 15%
Output Sound Pressure Level: 92 ± 3dB
Cable diameter: Ø2.0mm, Ø2.6mm
Material: Kevlar lined polyurethane