Concerning this item Smart Ambient Adaptive Noise Cancelling: When it's time to concentrate on your studies or get into your groove, adaptive noise cancellation eliminates all distractions. Additionally, Ambient Aware and Talk Thru enhance background noise and voice sounds if you wish to listen to the outside world without taking off your headphones. The JBL Headphones app makes it simple to switch between these Ambient Sound Control modes. LE Audio on Bluetooth 5.3 (*) Use the newest Bluetooth technology to stream JBL Pure Bass Sound in high definition wirelessly from your smartphone. Use the JBL Headphones app's Smart Audio & Video feature to maximize Bluetooth performance by choosing the Audio or Video modes for the best sound quality and gaming and video output, respectively. JBL