Product Features: 1.Built-in noise reduction circuit inverting precision ANC, it can effectively cut off 85% of the background noise. 2.dedicated high...
Product Features: 1.It has built-in the high quality noise cancelling circuit inverting precision, with the 23db noise level, and it can effective to ...
Product Features: 1.Built-in noise reduction circuit inverting precision ANC, it can effectively cut off 85% of the background noise. 2.dedicated high...