Short description: The compact and lightweight design is crafted to optimize your comfort – regardless of the shape of your ears – allowing you to focus on your music for as long as you desire. The noise reduction structure of these Sony headphones clearly reproduces your voice even in windy weather outside. The lightweight WF-C700N earphones are equipped with powerful noise-canceling technology. These Bluetooth headphones can simultaneously connect to two devices (compatible with Android, iOS, Windows, and MacOS – not limited to Sony devices).