Adaptive Noise Cancelling with Smart Ambient Adaptive Noise Cancelling means zero distractions when it's time to focus on your studies—or get your groove on. And if you want to hear the world around you without removing your headphones, Ambient Aware and TalkThru sharpen the sounds of your surroundings or voices. Easily activate these Ambient Sound Control modes through the JBL Headphones app. Bluetooth 5.3 with LE Audio Wirelessly stream high-quality JBL Pure Bass Sound from your smartphone with the help of the latest Bluetooth technology. Optimize the Bluetooth performance with the Smart Audio & Video feature in the JBL Headphones app by selecting the Audio (for the best sound quality) or the Video (for an optimal gaming and video output) modes. Available via OTA update at a later stage. JBL Pure Bass Sound JBL Tune 770NC headphones feature renowned JBL Pure Bass sound—the same that powers the most famous music venues all around the world. Personalize How You Listen Personalize the soundtrack of your life. Just download the free JBL Headphones app to customize EQ, switch on Adaptive Noise Cancelling, adjust your ANC level or ambient sound control settings, and check your best fit. You can also customize how the headphones behave through the Touch customization or adapt the sound output to audio or video to get the most out of your content, choose your preferred voice assistant and much more.