JBL Tune 770NC Wireless Bluetooth The JBL Tune 770NC Adaptive Noise Cancelling wireless headphones deliver on that promise all day-and longer, while sparing you the 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. Lightweight, and flat-folding, the JBL Tune 770NC can also connect with two Bluetooth devices simultaneously, so you'll never miss a call while watching a movie on your tablet. With the free JBL Headphones app, you can tailor the sound to suit your taste. And voice prompts in your language will guide you through the features. Manage your calls and your voice assistant hassle-free right from your phone and use VoiceAware to hear yourself when you're speaking. Just choose the color that best suits your vibe, and start having fun. Depth: 78 MM Height: 195 MM Width: 170 MM Bluetooth: Y Dongle Required: N Noise Cancellation: Y Power Output: Up to 20W Wifi Enabled: N Adaptive Noise Cancelling with Smart Ambient JBL Pure Bass Sound- The same that powers the most famous music venues all around the world. Bluetooth 5.3 with LE Audio - Wirelessly stream high-quality Pure Bass Sound from your smartphone Download the free JBL Headphones App . Up to 70 hours of battery life with speed charge Hands-free calls with VoiceAware Multi-Point connection- Switch from one Bluetooth device to another. Lightweight, comfortable and foldable design