Sennheiser CX 400BT Series Instruction Manual page 12

Getting started
12 | CX 400BT True Wireless
▷
You can choose between 4 different ear adapters in size XS, S, M
and L (> 20).
Left Right
L R
▷
Assign the right earbud to your right ear and the left earbud to
your left ear.
▷
Insert the earbuds at a slight angle into the ears and twist them
slightly into the ear canal so that they sit comfortably and snugly
in the ear canal.
3. Connecting the earphones to a Bluetooth
device
Connect the earphones to your smartphone via Bluetooth (> 16).
4. Installing the Smart Control app on your
smartphone
"Sennheiser Smart Control"
The Sennheiser Smart Control app allows you to use all functions
and settings of the earphones and to e.g. adjust the sound to your
liking using the equalizer (> 19).
1
"Pairing"
L
R
3s