[Android Central Question]

I didn't know

[mustang7757]

Hi, welcome to Android Forums

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https://forums.androidcentral.com/sh...d.php?t=409154

[hallux]

Which audio? If the headset doesn't support one of the audio profiles (phone, media), that audio won't play through the headset.

There are several companies branding headsets with "H15" names, we might need more specific information to help more.

[B. Diddy]

Welcome to Android Central! On the phone, go to Settings>Bluetooth​, tap the gear icon next to the headphones, and make sure Media Audio is turned on.