Jabra Evolve2 65 UC Wireless Headphones with Link380a Stereo - BlackPASSIVE NOISE CANCELLATION Jabra Evolve2 65 wireless headphones feature superior passive noise cancellation thanks to the enhanced memory foam padding and new angled design that cancels 48% more of the noise around you. BIGGER & BETTER SOUND This business headset has powerful leak tolerate 40mm speakers for rich, high definition audio for calls & music; Plus, the enhanced 3 microphone call technology means 23% less background conversation noise on