Designed to be worn under helmets or safety caps.
- Microphone: M-7A Electret (nominal 50 ohm).
- Exclusive, patented flex/wire boom for easy, precise microphone placement.
- Rotates 200° for left or right side placement.
- Earphone: Lightweight Dynamic (nominal 300 ohm) wired in series.
- Cord: 4 conductor, 5′ Coil.
- Plug: PJ-051.
- Microphone on/off button.