Adaptive Noise Cancelling  44 Hours Playtime  Bluetooth 5.3 with LE Audio  JBL Pure Bass Sound  Hands Free Calls  JBL Headphones App JBL T770NCBLK Tune 770NC Bluetooth Headphones - Black: Your Gateway to Premium Sound and Silence Introducing the Tune 770NC Bluetooth Headphones in sophisticated Black, your ultimate audio accessory for an immersive and uninterrupted listening experience. With an astonishing 44 hours of playtime, these headphones ensure you can enjoy your music, podcasts, and calls all day and night without the need for constant recharging. What sets these headphones apart is their advanced Adaptive Noise Cancelling (ANC) technology, which effectively reduces ambient noise, allowing you to immerse yourself fully in your music or conversations without distractions. The Tune 770NC headphones offer not only superior sound quality but also convenience in hands-free calling. With built-in Bluetooth 5.3 featuring LE Audio, these headphones provide a stable and efficient wireless connection for seamless pairing with your devices. The JBL Headphones App enhances your listening experience by allowing you to customise your sound preferences, access firmware updates, and monitor battery life effortlessly. Whether you're on a long commute, working in a noisy environment, or simply relaxing at home, the Tune 770NC Bluetooth Headphones offer comfort, outstanding audio quality, and cutting-edge technology to meet your every audio need.