Sony WF-SP900 Help Manual page 26

Help Guide
Wireless Stereo Headset
WF-SP900
Reducing the battery consumption
You can reduce the battery consumption by using the player in the following manner.
The battery life depends on usage conditions. For details on the battery life, see [Battery life].
Set all sound quality settings to off.
Turn off the Bluetooth function when you are not using it.
Turn off Ambient Sound Mode.
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
Related Topic
Charging the battery
Turning the Bluetooth function on or off
Using Ambient Sound Mode
Using Quick Sound Settings
What you can do with the smartphone apps
Notes on the built-in battery
Battery life
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