Was this helpful?
Low audio | Bose Sport Open Earbuds
Be sure you're wearing the earbuds correctly.
Avoid the following examples of improper fit:

Also, the earbud should not be facing downwards or upwards as shown in the last two examples above.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
Try a different app.
Reboot the Bluetooth device you are trying to connect.
Electronics might need to be reset on occasion to correct minor issues. This is typically done by turning the device off, then powering it on again.