Sennheiser HD 4.50 BTNC 业主指南
HD 4.50BTNC
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Getting started
Charging the headphones
1.
1.
Connect the micro-USB plug of the charging cable to the micro-USB input of
the headphones.
the 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 or to the
USB car charger adapter, and connect to the power source.
The LED flashes/lights up depending on the battery life of the headphones.
The headphones utilize an intelligent battery charging technology that pre-
vents overcharging.
external power adapter, connect the USB plug to the power adapter or to the
USB car charger adapter, and connect to the power source.
The LED flashes/lights up depending on the battery life of the headphones.
The headphones utilize an intelligent battery charging technology that pre-
vents overcharging.
*
Accessories not included.
*
*
*
2 h
CHARGING TIME
1
2
Battery life indicator on your device
The battery life of your headphones may also be displayed on the screen of your
smartphone or device.
smartphone or device.