Listen to crystal-clear sound, in complete comfort. Thanks to Noise Sensor Technology and Ambient Sound Mode, these wireless Noise Cancelling headphones provide the freedom to shut out or mix in your natural surroundings. And with a long-lasting battery, you can focus on the sounds that matter to you, every day. The WF-C700N Noise Cancelling headphones deliver crystal-clear sound, comfort, and a long-lasting battery for everyday use. Control ambient sound with 20 levels or let Adaptive Sound Control do this automatically. It’s now easier than ever to focus on your music.