Enjoy industry-leading digital noise cancellation in a wireless headphone, with a Smart Listening feature that optimizes your sound based on your activity and surroundings. Escape the Noise with Industy-leading Noise Cancellation Listen free from wires and unwanted noise with Industry-leading Noise Cancellation. Smart Listening by Adaptive Sound Control Automatically detects your activity, whether you’re travelling in an airport, walking on a crowded street, or sitting in a quiet area. Be immersed yet aware with Ambient Sound Mode Adjust Ambient Sound with the Sony | Headphones Connect app to hear essential sounds like traffic or announcements, even when you’re listening on the move. Sony | Headphones Connect app for Android /iOS to control your sound settings Download the Android or iOS app to use Smart Listening by Smart Auto-settings, control your ambient sound settings and adjust the sound levels with the Equalizer. Quick Attention Mode for an instant conversation Communicate without taking your headphones off. Place your hand over the right ear cup to turn the volume down for instant conversation. Noise cancelling made to fly Atmospheric Pressure Optimizing delivers optimal sound at high altitude, so you can enjoy noise cancelling at its best when you fly. Truly authentic sound with Hi-Res Audio Hear music that stays true to the original recording with Hi-Res Audio. Optimized for Hi-Res Audio, S-Master HX reduces distortion and allows you to enjoy all the subtleties in your music. 30 hrs battery life with quick charge Keep the music playing with up to 30 hours of battery life and quick charging, for up to 70 minutes of play after just 10 minutes of charging. Control at your fingertip with Touch sensor built-in earcup Change the track, turn the volume up or down, and take or make calls by tapping or swiping the panel with your fingertip.... More