Microphone

Microphone

  • CN 203,457,323 U
  • Filed: 09/12/2013
  • Issued: 02/26/2014
  • Est. Priority Date: 09/12/2013
  • Status: Active Grant
First Claim
Patent Images

1. a microphone, is characterized in that, the sound hole of described microphone is a plurality of through holes that close on.

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