Hi-Res Audio: Oversized 40 mm dynamic drivers produce Hi-Res Audio with treble extended to 40 kHz for exceptional clarity and details. Hybrid Active Noise Cancelling: Four microphones and a digital active noise cancellation algorithm detect and filter out up to 90% of low and mid-frequency sounds. All-Day Comfort: Memory foam earcups gently fit around your ears and the headband’s rotating joints adjust the angle of the earcups to adapt to the shape of your head. 40-Hour Playtime: Life Q20+ active noise cancelling headphones power multiple long haul flights from a single charge with up to 40 hours of playtime in wireless ANC mode. Increase playtime up to 60 hours in standard wireless listening mode. Soundcore App: Tailor Life Q20+’s EQ to your listening preferences. Create your own EQ profile or choose from 22 preset modes. It’s also effortlessly easy to switch between noise cancelling, normal, and transparency modes, and access firmware updates. Transparency Mode: When you need to hear what’s going on around you, activate Transparency mode to let the sounds of the world in without removing your headphones. AUX Cable: Use the included AUX cable for unlimited listening in wired mode. Built-In Microphone: Make convenient, hands-free calls. Connect to 2 Devices Simultaneously: Switch effortlessly between listening to music, making calls, video meetings, and more on two different devices. USB-C Charging: For fast and convenient charging.