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Samsung's $200 Galaxy Buds Pro Add Superior Audio To Your Galaxy S21; SmartTags Coming Too
Galaxy S21/Ultra/Plus: How to Enable/Disable HD Audio - YouTube
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No, the Galaxy S21 series doesn't have a headphone jack - SamMobile
Galaxy S21/Ultra/Plus: How to Record Audio with Voice Recorder for Standard/Interview/Speech-to-Text - YouTube
Use Dolby Atmos and other audio features on your Galaxy phone
Official Black Ultra AKG USB Type-C Wired Earphones - For Samsung S21 Ultra
Case for Samsung Galaxy S21 - Audio Cassette Sound Breeze
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Official Samsung USB-C To Headphone Jack 3.5mm Aux Adapter - White
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USB Type C to 3.5mm Headphone Jack Adapter for Samsung S22 S21 S20 FE,USB