The JBL Live 770NC are wireless over-ear headphones designed for immersive audio experiences. They feature JBL's Signature Sound and JBL Spatial Sound, delivering rich, high-quality audio. Equipped with True Adaptive Noise Cancelling technology, they adjust to your environment in real-time, minimizing distractions. The Smart Ambient feature allows you to stay aware of your surroundings when needed. With Bluetooth 5.3 support, they offer seamless connectivity and low-latency audio. The headphones provide up to 65 hours of playback time with ANC off and 50 hours with ANC on, and they support quick charging, offering 4 hours of playtime from just a 5-minute charge. They also include features like multi-point connection, auto play/pause, and compatibility with voice assistants like Alexa and Google Assistant. The JBL Headphones app allows for personalized sound adjustments, and the headphones are designed for comfort with a lightweight build. They come with a carrying case, USB-C charging cable, and detachable audio cable.