Samsung Gear S User Manual page 14

2. Connect the USB charger to the USB port on
the charging dock, and then plug the charger
into an electrical outlet.
3. After charging, disconnect the Gear S from the
Charging dock and unplug the USB charger
from the electrical outlet.
Note: To save energy, unplug the
charger when not in use. The charger
does not have a power switch, so you
must unplug it from the electrical outlet
when not in use to avoid wasting power.
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