Important:
· If your BLUETREK® SURFACE SOUND DUO is fully charged, the red indicator light will not
turn on when plugged into the charger.
· To maximize battery lifetime, you should recharge your BLUETREK® SURFACE SOUND DUO
to full capacity only when the battery is low, because the battery has a lifetime of
approximately 500 charging cycles.
· If you leave your BLUETREK® SURFACE SOUND DUO on with battery empty for an
extended period of time, it is recommended that you first switch off the BLUETREK®
SURFACE SOUND DUO before charging and charges it for 3 hours or more until it is
completely recharged. When you first charge the BLUETREK® SURFACE SOUND DUO
after prolonged storage, the red indicator light might not turn on until after a few
minutes.
· Do not charge your BLUETREK® SURFACE SOUND DUO for more than 24 hours.
· The use of any other charger will automatically void the warranty, it is strictly
forbidden and can be unsafe.
English
BLUETREK SURFACE SOUND DUO I 8