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

IPX6 WATERPROOF WIRELESS SPORT HEADPHONE:IPX6 waterproof nano coating can effectively protect the headphones from sweats. The neck belt design of wireless sport headphone is no wire winding, which ensures a more perfect service life when doing sports, running, hiking, yoga, fitness, travelling. TRUE HD HIGH FIDELITY SOUND:The real HD high fidelity voice adopts the latest Bluetooth 4.1 CSR technology and the EDR stereo sound effect, the wireless sport headphones can produce incredible sound quality with bass and clear treble. This wireless sport headphone have the best wireless earphones, input microphone and caller voice notifications. ENHANCED WEARING COMFORT:we have improved the hardness of the ear loop and provide 3 packs of soft rubber earplugs in different size for not only adults but also children.