guide for sony 1000xm4

• Digital noise canceling: Industry leading anc lends a personalized, virtually soundproof experience. Phone call: A built-in mic enables you to take hands-free calls

• 24bit Audio signal processing delivers dramatically improved sound quality

• Battery life up to 24 hours with carrying case (with 10min quick charge for 90min of play time)

• Easy and clear hands free calling; Leave your phone where it is, just speak with a double tap to the earbud

• Truly wireless design with uninterrupted L/R simultaneous Bluetooth transmission

• Alexa enabled for voice access to music, information, and more. Activate with a simple touch

• Smart listening by adaptive sound control automatically switches to ambient sound mode based on your activity

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