2Boom The Bass King User Manual page 5

Remarks:
1. Press the MODE button to switch the different modes, the order is
Bluetooth, SD, USB disk, FM radio and AUX-IN.
2. Turn the power button to "off" to cut off the power supply while without
use.
How to charge:
1. Power off the unit, put the provided charge cable into the charge slot of unit,
connect the other end to PC or other charger with 5V output (Not included),the
red charging indicator keep lighting.
2. Charge time should be 3-5 hours. When charging full, the indicator light will switch
off.
3. In order to prolong the life of battery, please do not charge more than 8 hours.
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