Principle of best noise canceling bluetooth headset

First, in accordance with the principles of best noise canceling bluetooth headset are divided into two types: one is a passive noise reduction (Passive Noise-Cancelling) best noise canceling bluetooth headset, the other is active noise reduction (Active Noise-Cancelling) best noise canceling bluetooth headset.

  Passive best noise canceling bluetooth headset, is through insulation materials on the headset, or a specific noise reduction structure, nbest noise canceling bluetooth headset try to isolate outside noise. There are in-ear best noise canceling bluetooth headset and full cover ear best noise canceling bluetooth headset, but because the design is too tight, long-term wear will make ears are swollen feeling pain, excessive sound pressure even affect hearing best noise canceling bluetooth headset.