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TRULY WIRELESS: Compatible with Apple or Android cell phones, sync using Bluetooth connection & NFCDIGITAL NOISE CANCELING: WF-SP700N headphone set minimizes distractions & noises for crisp listening
Up to 9 hours battery life Enjoy up to 9 hours of playback, with 3 hours of battery life and up to 6 hours of additional playback with chargeable carrying case.
Customize your sound as you like with the "Sony | Headphones Connect" App for Android/iOS Simply download the Sony | Headphones Connect app and set up your ideal noise canceling and equalizer settings in Quick Sound Settings. Then when you're ready to get started, push the Noise Canceling button twice to access your saved sound settings in an instant.