Product DescriptionEnjoy your music without the wires and distractions on Sony's WH-CH700N Bluetooth and NFC enabled headphones. Artificial Intelligence Noise Cancellation (AINC) adjusts to your environment so you are fully immersed in your tunes without any unwanted noise or distraction. The built-in mic allows you to take phone calls and interact with your phone's virtual assistant with ease. Additionally, with a huge 35-hour battery life and convenient quick charge feature, you can enjoy supremely comfortable listening non-stop, night and day.Near Field Communication (NFC) technology makes complex set-up sequences a thing of the past. Simply touch selected NFC-enabled devices to the on-body N-mark for a quick, seamless connection, then start streaming content via Bluetooth connection. No NFC? No problem. You can still manually connect using your device's settings menu.Be smarter with Voice Assistant. Manage your day, just by asking your assistant. Enjoy entertainment, connect with friends, get information, listen to music and notifications, set reminders, and more.