Strong noise reduction: advanced noise reduction technology, quickly filter outside noise, enjoy music anytime and anywhere.Wireless stereo: Bluetooth connection, stable and fast; Stereo unit, restore music details.Comfortable earmuffs: sponge material, skin friendly and breathable, fit ears, long wear not stuffy.Folding and portable: Foldable design, easy storage, easy to carry, open music time at any time.Easy to operate: simple keys, no need for mobile phones, you can control playback, adjust volume, answer calls