Headphone
  Speaker size 40mm
  Frequency response 20Hz -20 KHz
  Sensitivity 105dB S.P. Lat 1KHz+/-2%
  Impedance  32 Ω 
  Plug 3.5 mm
  Cable Length 1.8 M
  Microphone  
  Drive unit 6x5mm
  Sensitivity -58dB 0dB=1V/pa at 1 Khz
  Earphone  
  Speaker size  10mm
  Frequency range 20Hz-20KHz
  Sensitivity  105dB S.P. Lat 1KHz+/-2%
  Impedance 32 Ω 
  Plug   3.5mm
  Cable length 1.0M

 

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