The best way to listen all day. JBL by Harman Live 770NC Bluetooth Over-Ear Headphones deliver powerful JBL Signature Sound in a comfortable over-ear headband style. When you're deep in your flow, True Adaptive Noise Cancelling with Smart Ambient technology keeps you free from distractions. Or, if you want to keep an ear open to the world around you, you can even have a conversation without taking the headphones off. Easily access your preferred voice assistant with a hotword or a tap on the earcup to play your favorite playlist, text your friend, check the weather, and more. You'll enjoy 65 hours of music streaming (50 hours with Bluetooth and Active Noice Canceling on). Need even more? A 5-minute charge gets you another 4 hours. JBL Live 770NC headphones can connect with 2 Bluetooth devices simultaneously, so you'll never have to miss a call even if you're watching a movie on your tablet. Start having fun and stop having interruptions when you listen with JBL 770NC Headphones.Manufacturer model #: JBLLIVE770NCBLK. JBL Signature Sound True Adaptive Noise Cancelling with Smart Ambient technology Have a conversation without taking off your headphones Access your voice assistant with a hotword or 1 tap on the earcup 65 hours of music streaming (50 hours with Bluetooth and Active Noice Canceling on) 5 minutes of charging gets you 4 more hours of audio streaming Connect with 2 Bluetooth devices simultaneously