FAQ/If a problem occurs ...
CX 150BT | 19
FAQ/If a problem occurs ...
Current list of frequently asked questions (FAQ)
Visit the CX 150BT product page at
There you will find a current list of frequently asked questions (FAQ)
and suggested solutions.
Your question has not been answered or the problem persists?
If a problem occurs that is not listed in the FAQ section or if the prob-
lem cannot be solved with the proposed solutions, please contact
your Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at
www.sennheiser.com > “Service & Support”.
Leaving the Bluetooth transmission range
Wireless calling and streaming are only possible in the Bluetooth
transmission range of your smartphone. The transmission range
largely depends on environmental conditions such as wall thickness,
wall composition etc. With a free line of sight, the transmission
range of most smartphones and Bluetooth devices is up to 10 meters.
If you, and therefore the headphones, leave the Bluetooth transmis-
sion range of the smartphone, the sound quality deteriorates
increasingly until you hear the voice prompt “Lost connection” and
the connection breaks down completely. If you immediately re-enter
the Bluetooth transmission range, the connection is automatically
re-established.
Deleting the Bluetooth pairing list of the headphones
1. Switch the headphones on (
>
13).
2. Press and hold the multi-function button for 3 seconds.
The headphones are in Bluetooth pairing mode. The LED flashes
blue and red.
3. Press and hold the volume
+
button for approx. 3 seconds.
The Bluetooth pairing list is deleted. You hear the voice prompt
“Pairing list cleared”. The LED flashes blue and red three times.
The headphones then stay in Bluetooth pairing mode.
