A:Answer Hi,
Thank you for your interest with the WHCH710N. Yes, this headphones can be used with NFC-compatible smartphones. Unfortunately, Sony Headphone | Connect app is not applicable for this model. What's amazing on the WH-CH710N is that this headphones offer noise canceling via Dual Noise Sensor Technology, as well as Ambient Sound Mode, so you have control of what you hear. The WH-CH710Ns have a feature called Artificial Intelligence Noise Cancellation (AINC) which constantly analyzes the sounds in your environment and automatically selects the most effective noise canceling filter for your surroundings. The WH-CH710Ns use a powerful Li-ion battery which provides up to 35 hours of playback on a single charge, or 60 minutes of playback from a 10 minute charge using the Quick Charge feature. They are designed to provide a powerful and distraction free listening experience for the entire day! - Kris