Sennheiser PXC 310 BT Instruction Manual page 11

Putting the PXC 310 BT into operation
10
Possibilities of charging the battery pack
First, connect the charging cable
section a and then connect the charging cable
described in section b.
a
Connecting the charging cable to the battery pack
a
You can charge the battery pack either inside or outside the headphones.
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
headphones.
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.
to the battery pack as described in
to a power source as
b
US
EU
AU
UK
inside the headphones:
on the left ear cup.
to the socket for charging cable
outside the headphones:
on the left ear cup.
to the socket for charging cable
on the
on the