Feature:
  --Professional high quality splash resistant earpiece for two way radio.
  --Lapel PTT, easy and convenient to wear.
  --Clear sound performance without distortion.
  --Suitable for various two way radios with changeable plug.
  --Application for the people work in police station, military, hospital, security office, eatery, etc.
Speaker:
  -- Sensitivity:106±4dB.
  -- Impedance:220 Omega .
  -- Rated output power:0.5W
  -- Peak power output:1W.
Microphone
  -- Dimension (mm):6*5.
  -- Sensitivity:-38±3dB.
  -- Frequency:1kHz.
  -- Impedance:2.0V/2.2K Omega .
  -- Operation voltage:1-10V
Wire
  -- Durable Temperature :-40～100 Celsius degree
  -- Material:PU80A