Sennheiser PXC550 Instructions Manual page 16

Getting started
14 | PXC 550
Charging t he headphones
You can charge the headphones either in "off" or "on" state.
1. Connect the micro USB plug of the charging cable to the micro USB input of
your headphones.
2. Connect the USB plug to the USB port of your computer. If you are using an
external power adapter, connect the USB plug to the power adapter (not in-
cluded) or to the USB car charger adapter (also not included), and connect to
the power source.
Depending on the charge condition of the headphones, the indicator LEDs
flash/light up as indicated in the preceding table.
CHARGING TIME
3 h
Find out what you can do more with the USB cable on page 20.
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Accessories not included.