There are three noise cancellation modes on the earphones — Transparent, Noise Cancellation, and Outdoor. The transparent mode transmits ambient sound clearly to the ear and the human voice can be easily heard when talking.The Noise cancellation mode actively reduces the surrounding noises, enabling you to enjoy music even in crowded and noisy places. The outdoor mode is mainly for reducing wind noise which occurs during outdoor activities such as running and cycling.Haylou T16 earphones come with CCAW voice coil, which is usually found in expensive earphones. Along with that, the earphones also come with acoustic golden curve tuning for high-quality music. There’s also a low-latency mode to reduce delays when playing games.