The unique Ear Environment INC technology of 233621 adopts a built-in ambient noise sensor,which can accurately measure the actualnoise in ear canal.Its dedicated intelligent chip guarantees the ideal control signal and drives the high-performance secondary sound source to produce anti-noise sound wave, which can offset the noise inside the ear. This is why users can enjoy a quiet, comfortable, and healthy listening experience.
C**N
Only if you are deaf in one ear!
These headphones have gone south, they only work in the right ear! If you tweak the cord plug you might get occasional sound in the left ear. They are stamped Bose, but I can't imagine Bose would produce this poor quality item. This is very frustrating.
Trustpilot
1 week ago
2 days ago
