Wireless Bluetooth Noise Cancelling Headphones in Blue No wires, no distractions, just music The WH-CH700 Wireless Noise Cancelling Headphones are made for long listening on the move. One Push Artificial Intelligence Noise Cancelling (AINC) adjusts to your environment, so you can eliminate unwanted noise as you travel. Noise cancelling made for travel with One Push Artificial Intelligence Noise Cancellation (AINC) analyses background sound & adjusts it for optimal performance on aeroplanes & other noisy environments. Just press & hold the NC button on your headphones to activate it. NFC™ One-touch for instant connectivity 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. Listen all day, charge up quickly Keep your music playing all day. A built-in Li-ion battery delivers up to 35 hours of power (depending on your music settings) & is rechargeable via USB (Universal Serial Bus). Quick Charging gives 60 mins of play back from 10 minutes of charge.