Noise Cancellation Depth of -35dB: The OneOdio A10 wireless noise cancelling headphones over-ear headphones feature advanced Hybrid Active Noise Cancellation (ANC) technology that can withstand external noise with the same interference resistance and deliver unrivaled sound without interruption. Dual noise detection microphones capture and filter out up to 95% of low-frequency ambient noise to ensure it doesn't distract you from your music. Hi-Res Audio, Hear Every Detail: Discover the rhythm in you. The dynamic 40mm drivers of the A10 HiFi headphones produce precise sound with a wide frequency range. Compared to CD quality, Hi-Res audio wireless bluetooth headphones can deliver stronger bass, richer details, wider dynamics, and sound closer to the original information, giving you an immersive experience and a great musical journey.