Sony WF-SP900 Help Manual page 77

Help Guide
Wireless Stereo Headset
WF-SP900
Notes on the volume for calls on smartphones
The volume for music and the volume for calls are independent of each other. You can adjust the volume for calls while
you are talking on the phone. When you hang up the call, the volume returns to the level for music.
If the AVLS function is active, the player will keep the volume for calls at a moderate level.
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
Related Topic
Answering a call / hanging up a call
Limiting the volume
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