Oneodio A10 Hybrid Active Noise Cancelling Headphones Bluetooth With Hi-Res Audio Over Ear Wireless Headset ANC With MicrophoneHybrid Active Noise Cancellation The noise reduction depth reaches 35dB. Advanced noise cancelling technology blocks out up to 95% of low and mid range frequency noises. Ideal for airplane travel, commutes, office, etc. Just immerse yourself in music, movies, or phone calls. Dual Sound Chamber Dual Chamber Drivers feature one chamber for bass and a separate one for mids and highs. This separation provides a clearer distinction between sounds. The two