98% Less Noise on the Way: A greater variety of noises, including airplane engines and crying infants, are targeted and blocked out by the completely upgraded noise cancellation system. You can therefore enjoy your personal space wherever you go. Make Every Area Your Own: Space Q45's adaptive noise cancellation will automatically choose an appropriate level based on your location, whether you're flying, commuting, or indoors. Additionally, select one of five noise cancellation levels via the app. Perfect for Journeying: An international flight will be covered by the 50 hours of playback in noise-cancelling mode before requiring a recharge. You can play for up to 65 hours in normal mode, and you can charge for 5 minutes to play for 4 hours if your battery is low. Listen to Every Detail: