While charging, the indicator light on the BLUETREK® SURFACE SOUND DUO should be red.
The indicator light will turn off when the unit is fully charged. Subsequent charges should
take approximately 4 hours.
When the indicator light on your BLUETREK® SURFACE SOUND DUO flashes in red at regular
intervals, the unit needs to be recharged.
You can also connect the charging cable to a USB socket.
Diagram 5
7 I BLUETREK SURFACE SOUND DUO
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