Spec.&Feature:
  -- Two way radio Paste the helmet-wearing headset 
  -- Noise cancelling Helmet Headphone with boom mic 
  -- Replaceable Mini-din plug cable 
  -- Detached Designed Helmet Headset 
  -- Remote Finger PTT 
  -- Excellent communication quality in reception and transmittance 
  -- Noise cancelling
  -- The plug ,speaker/mic and remote PTT all can be detached
  -- to make the earphone multiple use 
Microphone:
  -- Sensitivity: -38dB, +/-2dB
  -- Impedance: 2.2K ohms
Speaker:
  -- Sound pressure level: 83dB, +/-3dB
  -- Impedance: 32 ohms, +/-15%
  -- Audio output: 1W 
Compatible with: 
  -- Through customized earphone interface, so that can be applied to all two way radio models 
Packaging & Delivery:
  -- Packaging Details: Normally the item is packed in clear PE bag, can also be customized
  -- Delivery Detail: 7 days