Feature:
  -- With durable housing material.
  -- Pretty Good PTT key feel, PTT service life can be up to 50000times.
  -- With reinforced 360 degree back metal clip.
  -- For the people work in police station, hospital, security office, eatery, hotel, etc
  -- Features a 3.5mm accessory jack for connecting an earphone to the unit.
  -- Suitable for various two way radios with changeable plug.
Specification
Speaker
  -- Dimension (mm):￠36
  -- Sensitivity: 110±4dB
  -- Impedance: 8Ω/16Ω
  -- Rated output power: 1W
  -- Peak power output: 1.5W
Microphone
  -- Dimension (mm): ￠9.7*4.5
  -- Sensitivity: -38±3dB
  -- Frequency:1kHz
  -- Impedance:2.0V/2.2KΩ
  -- Operation voltage:1.1-10V
Wire
  -- Dimension (mm)： ￠4.2mm L=2200mm（180+220+180）
  -- Durable Temperature -40～100℃
  -- Material： PU90A