Key features: with almost zero sound leakage. Thanks to this innovation, the sound pressure is directed through waves towards the ears, and at the same time an opposite phase reduces sound dispersion. You enjoy your sound, while your privacy is protected. Also, the JBL Soundgear Sense rest on the curve of your ears without obstructing your ear canal, so that you can hear both your sound and the world around in full comfort Two smartly designed 16.2mm drivers – one per each earbud – feature a unique bass enhancing algorithm, providing an amazing no compromise sound experience with punchy bass and pure sound. Enjoy every beat while hearing the world around you.