JBL OpenSound Technology OpenSound technology in the JBL Soundgear Sense earbuds provides a natural sound experience, 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 Enhanced Dynamic Sound 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 allowing you to enjoy every beat while hearing the world around you Up to 24 hours of battery life, plus speed charge For long-lasting fun, listen wirelessly for up to 6 hours and get another 18 from the charging case. If you're in a hurry, use the convenient Type-C USB cablea quick 15-minute charge gives you 4 additional hours of music. Hybrid open-ear headphones with detachable neckband JBL Soundgear Sense true wireless open-ear headphones feature JBL OpenSound Technology with air conduction, which doesn't completely close off your ear canal, making them comfortable enough to wear for hours. Flexible earhooks rotate, so you can choose whether you want to focus on your music or calls, or let in more sound from the world around you. A detachable neckband provides an even more secure fit while you're working out, and an IP54 rating means that they can stand up to sweator even a light rainfall. Your voice will be crystal clear, even on a windy day, thanks to four voice mics. Customize how you use the intuitive touch controls on each earbud to handle your music and calls with the My JBL Headphones app. JBL Soundgear Sense is as adaptable as you are.