Etymotic Research ER23 (ER23-HF3-BLACK-I)

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Etymotic Research HF3 Noise-Isolating In-Ear Earphones with 3 Button Microphone Control

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Product Features

  • High performance balanced armature drivers offer unmatched accuracy
  • 3 button close proximity in line microphone for easy control and clear communication
  • Reinforced 4 ft cable and 3.5 mm stereo jack
  • 35-42 dB of noise isolation with a max output of 120 dB
  • 2 year manufacturer’s warranty provided for products purchased from authorized resellers