INTRODUCING THE SONY WF-C710NSA: with Noise Cancelling and Ambient Sound modes, you can focus on what matters; enjoy clear vocals, powerful bass, up to 40hr battery power, and more. NOISE CANCELLING AND AMBIENT SOUND: With two mics on each earbud, the WF-C710NSA effectively reduces unwanted noise; use Ambient Sound Mode when you need to stay aware of your surroundings.
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