User Manual
No sound can be heard
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This product are not connected to a Bluetooth device.
Pair this product.
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“Connecting to a Bluetooth device”(p.26)
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The volume is too low.
Raise the volume.
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“Adjusting the volume”(p.31)
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The music stopped playing back.
Start playback.
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“Listening to music”(p.32)
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The eartips don’t fit my ears.
Select eartips that match your ear shape, and make sure that they fit securely.
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“Replacing the eartips”(p.29)
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Troubleshooting > No sound can be heard