Sennheiser Travel MM 450 Instruction Manual page 11

First, connect the charging cable
section a and then connect the charging cable
described in section b.
Connecting the charging cable to the battery pack
a
You can charge the battery pack either inside or outside the headset. This
is helpful if you are using a spare battery pack (to be ordered separately).
To charge the battery pack
Open the battery pack compartment cover
Connect the charging cable
headset.
To charge the battery pack
Open the battery pack compartment cover
Press the button next to the battery pack compartment and remove
the battery pack.
Connect the charging cable
battery pack.
Connecting the charging cable to the mains unit, to a PC or to other USB
b
devices
In order to charge the battery pack, you can connect the charging cable to
either the USB socket of your PC or to the supplied mains unit or to other
USB devices.
To connect the charging cable
Connect the USB plug of the charging cable
your PC.
The battery pack is being charged. The LED
lights up red.
To connect the charging cable
Connect the charging cable
Plug the suitable country adapter onto the mains unit.
Plug the mains unit into a wall socket.
The battery pack is being charged. The LED
lights up red.
After charging, unplug the mains unit from the wall socket.
If you have charged the battery pack
Insert the charged battery pack into the headset's battery pack
compartment until it locks into place.
Close the battery pack compartment cover
Putting the MM 450 into operation
to the battery pack as described in
to a power source as
inside the headset:
on the left earcup.
to the socket for charging cable
outside the headset:
on the left earcup.
to the socket for charging cable
to a PC:
to the USB socket of
on the battery pack
to the mains unit:
to the mains unit.
on the battery pack
outside the headset:
.
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