Sylvania SP263G Manuel D'instructions page 12

USB CHARGE
Insert one end of the USB charging cable to the USB CHARGE port, insert the other end to
the external device to charge.
NOTE:
The output power is 5V, 2.1A.
AUX IN
USB CHARGE
INDICATOR
ST/MO SOURCE VOL- VOL+
POWER
TUNE- TUNE+
11