Everything else is irrelevant when your music is playing. The JBL Tune 770NC Adaptive Noise Canceling Wireless Headphones protect you from unwanted noise and deliver on their promise for the duration of the day. You can use them for a week with ease and still have enough JBL Pure Bass Sound to last you through the weekend thanks to their 70-hour battery life. Additionally, you can get three hours more of music in just five minutes if you need a quick recharge. The JBL Tune 770NC headphones are foldable, lightweight, and have dual Bluetooth® device connectivity. Even if you're using your tablet to watch a video, you won't ever miss another call. You can customize the sound to your preference using the free JBL Headphones app.