The latest Hybrid Active Noise Cancellation Technology Reduces Ambient Noise by Up to 90%: M8 H12 active noise cancelling headphones utilize both feed forward and feedback ANC by incorporating microphones inside and outside the ear cup, allowing for the cancellation of a broader spectrum of low and mid-frequency sounds, including those from cars and airplane engines. Enjoy your music in various environments such as busy streets, offices, cafés, buses, trains, and cars. Please note that human voices cannot be completely eliminated. Now available at Loyalty UK.