Battery life of 30 hours and quick charging so you're never without your headphones High resolution audio packed with technology and features to give truly authentic sound Optimized for google assistant and alexa for a seamless hands-free control and more Alexa built-in devices let you instantly connect to Alexa to play music, control your smart home, get information, news, weather, and more using just your voice. Experience the next level of silence See what happens when it's just you and your music, with noise cancelling that cuts more outside sound than ever before. And experience how smart headphones can be with advanced noise cancelling technology such as Adaptive Sound Control, and the convenience of smart features including Quick Attention, Voice Assistant compatibility and touch control. More power = even less noise With our new HD Noise Cancelling Processor QN1, noise cancelling power is greatly enhanced. Having a dedicated NC processor also ensures the reproduction of your music is never compromised due to processor performance. Smart listening by SENSE ENGINE – automatically adjusts to your situation See how Adaptive Sound Control automatically detects your activity such as travelling, walking, and waiting, then adjusts ambient sound settings to you. And with Quick Attention, you can communicate without removing your headphones - simply place your hand over the housing to turn the volume down for instant conversation. Smarter than your average headphones Everything is at your fingertips. Answer hands-free phone calls with a double tap - or change tracks, adjust the volume and make calls by touching or swiping the panel. And help from your phone’s voice assistant is just one long press away.