Sennheiser MOMENTUM True Wireless 3 Noise-Canceling In-Ear Headphones (Graphite) - Manual (Page 26)

Using the earbuds
26 | MOMENTUM True Wireless 3
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Open the lid of the charging case, take out both earbuds and
insert them into your ears (> 25).
If a paired Bluetooth device is within the transmission range, you
hear the voice prompts “Power On” and “Connected”. The LEDs
of the earbuds light up blue.
Switching the earbuds off
The earbuds do not have to be switched off explicitly.
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Insert the earbuds into the charging case and close the lid to
switch the earbuds off.
As soon as the earbuds are inserted into the charging case and
the lid of the charging case is closed, the earbuds switch off and
are being charged (> 16).
If you take the earbuds out of the charging case during an
incoming call, the call is automatically accepted and you can
use the earbuds directly for making calls.
This Auto Call function can also be deactivated via the Smart
Control app (> 33).
The earbuds automatically switch to idle mode if no paired
Bluetooth device can be found within 15 minutes. You can also
change this setting via the Smart Control app. You can wake up
the earbuds from idle mode by touching their touch control
panels 1x or by briefly inserting them into the charging case.
“Connected“
“Power On“
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