Soundcore Space NC The Headphones with Hybrid Active Noise Cancellation. Noise Cancelling Technology Space NC's active noise cancellation constantly studies the world around you to ensure ambient noises are blocked out. This technology cancels out up to 93% of low frequency sound and up to 96% of high frequency sound. Touch Control Control every aspect of your listening experience using the on-ear touch controls. With a single tap play/pause music, or swipe to adjust the volume or skip forward/back. Superior Playtime 20 hours of playtime in wireless mode is extended to 50 hours in wired mode. Stay entertained throughout a long-haul flight, or block out distractions. Center Stage Professionally tuned audio is delivered through customized 40 mm drivers for a spine-tingling listening experience. Soaring highs are accompanied by luscious mids, and heart-pounding bass. Foldable Design Fold Space NC flat and store together with its accessories in the hard-shell travel case. Designed to keep everything organised while you're traveling, commuting, or at home. All Clear Built-in microphone with cVc noise cancellation technology reduces ambient noise for enhanced call quality at both ends. Answer calls using the button on the right ear-cup, or use the AUX cable's built-in microphone and remote in wired mode.