40dB Hybrid ANC Noise Cancellation: Adaptive noise cancellation, Ambient sound disappear to leave you with nothing but pure sound.
3 Different Noise Cancellation Levels: There are 3 modes:Indoor mode, Commuting mode, Outdoor mode. 3 adjustable settings for every noisy situation.
6-Mic ENC Call Noise Cancellation: With 6 mic & ENC, can handle environmental sound and human voices in a more precise way, keep talking wherever you are.
Wind Noise Cancellation: Noise cancellation against 45km/h of wind, you can only feel the wind not hear it.
Upgraded Transparency Model: Volume Control & Boosted Vocals, In transparency mode, HT05 allows you to hear the sound around and keep you connected with environment. Hear the ambient sound clearly while still enjoying the music. And there are 6 levels for your choice.