The JBL Live 670NC headphones feature a comfortable on-ear headband design and deliver the potent JBL Signature Sound. True Adaptive Noise Cancelling with Smart Ambient technology eliminates distractions while you're in the zone. You can then continue listening to your favorite playlist or even have a conversation without taking off your headphones, keeping your ears open to the outside world. To cue up a song, text a friend, check the weather, and much more, simply tap the ear cup to activate your favorite voice assistant. You can stream music for 65 hours (50 hours if you have BT+ANC enabled). You can get an additional four hours with a 5-minute speed charge if you still need more. The JBL