SUPERIOR SOUND QUALITY: The combination of powerful 40mm large-aperture drivers and advanced CSR8635 chip deliver rich, refined acoustics that compliment the bass experience, and the memory protein earmuffs with a noise isolating seal block out distractions and exterior noise letting you immerse totally in music LONG LASTING COMFORTABLE FIT: Adjustable headband, 90° swiveling ear cups, super soft protein earpads ensure the most comfort fit you could ever experienced, our new lightweight cushion material features magnetic absorption, which helps improve comfort and sound quality over long periods of time HANDS-FREE CALL & BUILT-IN MIC: With a high-quality built-in microphone, it provides a clear phone communication(microphone only works in the Bluetooth mode). Skip a track, change the volume and take or make calls just by a headphone, with no need to reach to your phones, Bluetooth connection distance is up to 33ft

Easy pairing with all devices that support Bluetooth; Connect device includes smart phone, laptop, ipad, kindle fire etc. Running it when the battery is dead with a 3.5mm AUX port cable (included in the package) TF card support, download songs on the TF card from your computer and listen on your headphone. No need to connect with an music app or radio 33 ft distance in open air range can be quite significant; Excellent sounds quality, better for bass; less sound leak; Blocking most of noise by big ear cups around the ears