Available only for Icom and Kenwood with
 8 pin plugs.  Not for Icom 703, 706 or 7000
 unless you have the 8 pin adapter plug.
  The ON-AIR Headset Specifications:

  Audio Range – Headphones:  20 Hz – 22 KHz
  Audio Range – Microphone:  90 Hz – 16 KHz
                            Sensitivity:  -59dBV/uBar
Noise canceling microphone:  -30dB (yes, -30dB)
A real featherweight at less than 3 ounces.  
Fatigue?  What fatigue!  Truly enjoyable to wear and no wet ears.
Can be used in either VOX or PTT mode (with footswitch).
The headset cable is approximately 8 ft. long.
Has a dual earpiece and adjusts easily to fit.
Background noise is still audible to you but not over the air.
Great also for mobile and field day.  I have two in my Go-Pak.
Inexpensive, lightweight and great sounding audio in SSB, FM and AM.
Headset volume control and microphone on-off switch are on the cable.
The ON-AIR headset price includes the transceiver adapter.
You can order a different transceiver cable for just $21.00

On Air Headset