Samson Airline Synth Wireless MultiChannel for speech recognition. The Airline Synth from Samson uses a wireless headset that is highly noise canceling and highly accurate for speech recognition.  The Airline Synth is similar to the Airline 77, but has several added features.  It chooses between 300 channels for the cleanest possible interference-free signal. Up to 11 units can be used at once and it has a 350 foot range.

• Has an On/off and a Mute switch.
• Long life single AAA battery. You can get through the day on one battery.
  Up to 10-12 hours on one charge. We use rechargeable NiMh batteries (not included)

The Samson Dealer Agreement does not allow this item to ship outside the United States.