Immerse yourself into rich sound with the JBL Live 770NC over-ear noise cancelling Bluetooth headphones. True Adaptive Noise Cancelling blocks out distractions, while Smart Ambient keeps you aware of your surroundings. Enjoy up to 65 hours of battery life for extended listening, and a quick five-minute speed charge provides an extra five hours of use. | JBL Live 770NC Over-Ear Noise Cancelling Bluetooth Headphones - Blue