JBL Tune 770NC Over-Ear Wireless Active Noise Cancellation Headphones - BlueThe JBL Tune 770NC Over Ear Wireless Active Noise Cancellation Headphones. Blue Unit Color. Features: Adaptive Noise Cancelling with Smart Ambient: Adaptive Noise Cancelling means zero distractions whether youre studying or getting lost in the music. If you want to hear the world around you, activate Ambient Aware and TalkThru in the JBL Headphones app. Bluetooth 5. 3 with LE Audio: Wirelessly stream high quality JBL Pure Bass Sound. In the JBL