Huawei announces FreeBuds 4 He Gang2021-05-14
Huawei announced that it will launch FreeBuds 4 headphones on May 19, 2021. He pioneered in taking the path of semi-in-ear active noise reduction, using technology to overcome challenges and achieving more comfortable and intelligent active noise reduction.
It had excellent noise reduction performance of the previous generation Huawei FreeBuds 3. It picks up environmental noise and excess noise in the ear canal through two microphones inside and outside the ear, and then regulates the collected noise through a noise reduction algorithm. Cancel the negative environmental noise with the positive environmental noise of the outside world to protect the normal sound source.