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Bose is notoriously close handed about certain specs but my research told me you basically get the 17 to 20 range that most good earbuds will deliver. And the ear can only hear up to 20Hz so if something claims to beyond that, then they are just citing stats that are immaterial.
Sorry, there was a problem. Please try again later.The sound is so clear you can use it for your headset while walking and exercising and also receiving phone calls no background noise
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