When your music is on, nothing else matters. The JBL Tune 770NC wireless headphones with adaptive noise-cancelling keep this promise all day long – and even longer, shielding you from unwanted sounds. With a battery life of up to 70 hours, you can easily get through a busy week and still have plenty of JBL Pure Bass sound to carry you through the weekend. And if you need a quick charge, just 5 minutes will give you an extra 3 hours of music. Lightweight and foldable, the Tune 770NC can also connect to two Bluetooth devices simultaneously, so you won't miss a call while watching a movie on your tablet. Download the free JBL Headphones app to customize the sound to your liking. Voice prompts in your language guide you through the features. Manage your calls and voice assistant effortlessly right from your phone, and use VoiceAware to hear yourself when you speak. Just choose the color that best fits your mood, and the fun can begin.