These Sony headphones are temporarily reduces in price or are part of a promotion like a cashback. Enjoy high-quality music with Sony headphones. Most headphones are noise-canceling. This technology reduces ambient noise, so you're not bothered during busy train and plane rides. You can also focus on your work better in a busy environment, like an office. Still want to hear ambient noise? Choose Ambient Sound. That way, you can still hear traffic clearly. On top of that, you can enjoy your favorite music for a long time thanks to the long battery life.