The JBL Tune 770NC are Wireless Over-Ear Headphones. Adaptive Noise Cancelling eliminates unnecessary distractions, allowing you to focus on the things that are important to you for up to 70 hours. A quick 5-minute charge gives you 3 additional hours of music. The Tune 770NC is lightweight, foldable and it can be connected to two Bluetooth devices at the same time. This way, incoming phone calls will not go unnoticed while you are watching videos on your tablet. Your phone calls and voice assistant can be controlled hands-free. Besides this, you can also connect the headphones using the cable that comes with the kit.