Anker Spirit X2 In Ear Headphones - Black<br><br>100% More Bass: Inspired by technology found in high-end speakers, BassTurbo positions an acoustic chamber behind the driver to add powerful bass resonance. BassUp technology, then injects even more bass intensity via a custom algorithm.<br>Extreme Sweatproof: IP68 defend against dust and water with SweatGuard technology to resist the corrosive nature of sweat. Lasts 100x longer than ordinary true wireless earbuds thanks to a submarine structure and hydrophobic nano coating.<br>Incredible Endurance: Get 9 hours of intense listening from a single charge and boost that to 36 hours with the included charging case. That’s up to 5 weeks of workouts on a single charge.<br>Effortless Comfort: True wireless earbuds with extra-flex eartips and hooks ensure a free, satisfying, and invincible fit, no matter how hardcore your workout. Comes with an extensive selection of tips and wings for tailored listening.<br>Clear Calls: cVc 8.0 noise reduction effectively isolat
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