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Getting started
8 | CX 350BT
Getting started
1. Charging the rechargeable battery
The headphones' rechargeable battery is not fully charged upon deli-
very. Before using the headphones for the first time, charge the
rechargeable battery for a complete charging cycle without inter-
ruption (
> 9).
2. Installing the Smart Control app on your
smartphone
The Sennheiser Smart Control app allows you to use all functions
and settings of the headphones and to e.g. adjust the sound to your
liking using the equalizer (
> 12).
3. Connecting the headphones to a Bluetooth
device
Connect the headphones to your smartphone via Bluetooth (
> 10).
4. Selecting suitable ear adapters for optimum
fit of the headphones
The perceived sound quality and bass performance depends to a
large extent on the correct fit of the headphones in the ear.
▷ Test which ear adapter size gives you the best sound quality and
the best wearing comfort.
▷ You can choose between 4 different ear adapters in size XS, S, M
and L.
The ear adapters must fit snugly in the ear canal and completely seal
your ears (
> 12).
USB-C USB-A
4s
Hold
XS
S
M L
M
M
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