The Huawei FreeBuds Pro 4 feature Dual-driver True Sound ... in this way will retain the detail captured in the original studio recordings – detail that is lost during the compression process.

As with Huawei's over-ear cans, the FreeBuds Studio, the FreeBuds Pro 2 offer three levels of noise cancelling Ultra, Cosy and Dynamic – dynamic automatically switching between Ultra or Cozy.