JBL SIGNATURE SOUND: 50mm drivers the JBL sound signature that can be found in the most famous venues all around the world. AMAZON ALEXA: Play your favorite playlist, text your friend, check the weather and much more by simply tapping the ear cup to activate Amazon Alexa. Use the all-new JBL App to easily set your voice assistant. AMBIENT AWARE AND TALKTHRU: Don’t let the music stop! Stay in touch with your surroundings while listening to your tunes. A touch of the Ambient Aware button increases the ambient sound and lets you hear what’s happening around you. The TalkThru mode drops the music level down, allowing you to talk to your friends without removing your bluetooth headphones. UP TO 30 HOUR BATTERY LIFE: Rock on non-stop for a full day or more and enjoy super-fast recharging if that’s not enough. A quick 15-minute charge lets you extend the fun for an additional 2 hours. HANDS-FREE CALLS: Stay in touch with your world by managing calls with the buttons on the ear-cup. When the battery is flat, just plug-in the audio cable and continue listening and chatting. Included components: Headphone, Charging cable, Aux Cable.