Hear what you want, the way you want Industry-leading noise cancellation made even smarter, with personal and atmospheric pressure optimising that adjusts to your individual listening style and your altitude. Smart Listening by Adaptive Sound Control automatically adjusts to whatever you do Smart Listening by Adaptive Sound Control automatically detects your activity such as travelling, walking, and waiting, then adjusts ambient sound settings to you. You can customise them to your preferences with the Sony I Headphones Connect APP. Truly authentic sound Hear music that stays true to the original recording with High-Resolution Audio. Optimised for High-Resolution Audio, S-Master HX™ reduces distortion and allows you to enjoy all the subtleties in your music. These headphones also include a powerful 40mm driver with Liquid Crystal Polymer (LCP) diaphragm for handling heavy beats and can reproduce a full range of frequencies up to 40kHz. Restore all your compressed files Digital Sound Enhancement Engine HX (DSEE HX™) upscales compressed digital music files, bringing them closer to the quality of High-Resolution Audio. By restoring the high-range sound lost in compression, DSEE HX™ produces your digital music files in rich, clear sound. Wireless streaming at its best LDAC transmits approximately three times more data (at the maximum transfer rate of 990 kbps) than conventional BLUETOOTH® wireless audio, which allows you to enjoy High-Resolution Audio content in exceptional sound quality close to High Resolution Audio. All day power and quick charging Keep the music playing with long battery life and quick charging, giving 70 minutes of play after just 10 minutes of charge. Easy control, light touch and hands-free calling All your music and calls can be easily controlled using the touch panel on the side of your headphones. Hands-free calling with a double tap Conversation flows freely with easy, hands-free calling. Leave your phone where it is, just speak with a double tap.... More