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If you're listening to music when you press the button, the music will pause and then automatically resume after you've told Alexa what you need (it will also resume within a few seconds if you don't say anything). As with many higher-end Bluetooth headphones, the OV support the aptX codec to deliver better-than-average audio quality over Bluetooth. You can use the button on the right-hand ear bud to summon Google Assistant or Siri, depending on the type of phone you're using. Its primary role is to handle phone calls and to provide you with access to your digital assistant of choice.