JBL Tune 770NC Active Noise Cancelling, 70Hr Playtime, Fast Pair & Multi Connect Bluetooth Headset (Black, On the Ear). Adaptive Noise Cancelling with Smart Ambient :Adaptive Noise Cancelling means zero distractions when it?s time to focus on your studies?or get your groove on. And if you want to hear the world around you without removing your headphones, Ambient Aware and Talk Thru sharpen the sounds of your surroundings or voices. Easily activate these Ambient Sound Control modes through the JBL Headphones app. Bluetooth 5.3 with LE Audio Wirelessly stream high-quality JBL Pure Bass Sound from your smartphone with the help of the latest Bluetooth technology. Optimize the Bluetooth performance with the Smart Audio & Video feature in the JBL Headphones app by selecting the Audio (for the best sound quality) or the Video (for an optimal gaming and video output) modes. Customize your listening experience. Voice Prompts in your language guide you through the Tune 770NC?s other features. 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 Voice aware. JBL Tune 770NC headphones feature the renowned JBL Pure Bass sound the same that powers the most famous music venues all around the world.