Rechargeable Battery
This unit has a built-in rechargeable battery pack for cordless operation. The battery should
not be serviced or replaced by the user. To maximize battery life, it is recommended to charge
the unit once a month. When the battery indicator on the display flashes slowly, follow these
steps to recharge:
NOTE: This unit is operated by an internal chargable lithium battery. The unit cannot
be turned on if the battery level is too low. It's suggested for the user to the unit for
about 5 mins to charge up the battery. (This will not fully charge the battery, see
above for charging time required).
ATTENTION: The sound volume will adjust automatically when the battery is not full.
Recycling and Disposal Information:
• Do not dispose of electronic devices or any of their components.
(especially batteries and LCD displays) in your municipal trash collection.
• Consult your local waste management authority or a recycling organization like Earth911.
com to find an electronics recycling facility in your area.
CAUTION: Rechargeable batteries must be recycled or disposed of properly.
USB socket
— E5 —
1
Connect the included USB cable
to the USB Type-C port at the
rear of the unit. Plug the other
end into a computer USB port
or USB charging device (not
included).
2
Charge the unit for about 4
hours to achieve a full charge.
The battery indicator will turn off
when fully charged.
3
Once fully charged, disconnect
the USB cable. The unit can be
used for approximately 4 hours,
depending on the selected
function.