Closed-back headphones – Bluetooth – Noise cancelling – With built-in microphone – Volume control – Foldable – Your music, without noise. When you can listen to your music, nothing else matters. The JBL Tune 770NC wireless headphones with adaptive noise cancellation keep this promise all day long, and longer, saving you from unwanted noise. With a battery life of up to 70 hours, you can use them all week without issues and still have enough JBL Pure Bass sound for the weekend. And if you need a quick charge, in 5 minutes you’ll get 3 more hours of music. Lightweight and foldable, JBL Tune 770NC headphones can also connect to two Bluetooth devices simultaneously, so you never miss a call while watching a movie on your tablet. With the free JBL Headphones app, you can customize the sound to your liking. And voice prompts in your language will guide you through the functions. Manage calls and voice assistant seamlessly directly from your phone, and use the VoiceAware feature to hear your voice when you speak. Just choose the color that best fits your mood and start enjoying.