Lightweight, comfort, and great sound. With the JBL Tune 670NC wireless headphones featuring adaptive noise-cancelling, you get all three. With a battery life of up to 70 hours, the JBL Tune 670NC will take you through the week without needing a recharge. And if you need a quick charge, just 5 minutes will give you an additional 3 hours of music, or simply connect the detachable headphone cable to keep your flow uninterrupted. The JBL Tune 670NC connects simultaneously to two Bluetooth devices, 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 directly from your headphones and use VoiceAware to hear yourself when you speak. All this, along with the option to choose a color that perfectly matches your vibes.