Easy-to-connect Bluetooth technology delivers wireless, zero-distraction performanceJBL® Charged Sound for bold sound tuned for sport with rich bass to crush your workoutBionic Hearing, a unique JBL sound & mic technology allows athletes to still hear surroundingsTalk-Thru technology drops music down & turns on speech-optimized, noise-cancelling micsAmbient Aware technology allows you to listen to your music, but still be aware of your surroundingsUA Stormproof waterproof technology with an IPX7 rating for water & sweat protection during your workoutsUltra-small design with winged ear tips, designed to stay locked in place while runningControl functions for music, calls & more are engaged by pressing the center buttons on each ear bud