JBL Tune 770NC Adaptive Noise Cancelling wireless headphones deliver on that promise all day—and longer, while sparing you unwanted noises. With up to 70 hours of battery life, you’ll easily get through a busy week of using them and still have enough JBL Pure Bass Sound to get you through the weekend. And if you do need a quick recharge, 5 minutes gets you an extra 3 hours of music.Download the free JBL Headphones App to tailor the sound to your taste by choosing one of the pre-set EQ modes or adjusting the EQ curve according to your content, your style, and your taste. Voice Prompts in your language guide you through the Tune 770NC’s other features.The lightweight materials and soft ear cushions with a padded headband make the headphones comfortable to wear for extended periods. The foldable design makes it convenient to carry them anywhere—anytime you want music.Easily control your sound and manage your calls from your headphones with the convenient buttons on the ear-cup. Hear your voice while you’re talking, with the help of VoiceAware.For long-lasting fun, listen wirelessly for up to 44 hours and recharge the battery in as little as 2 hours with the convenient Type-C USB cable.A quick 5-minute recharge gives you 3 additional hours of music.