SPC RADICAL Manual De Usuario página 14

HEADSET CHARGER
Make sure that the headset is turned off. Connect one end
of the micro-USB cable to the input (4) of the headset and
connect the other end to one of your computer's USB ports.
The headset will start to charge and a constant red light
will appear in the light indicator (4). Charge the headset for
three hours. Once the battery is fully charged, the red light
will no longer be visible.
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