HD 458BTModel: SEBT4
SENNHEISERInstruction manuals and product support.
www.sennheiser.comwww.sennheiser.com/downloadSmart Control www.sennheiser.com/smartcontrol
Apple. the Apple logo and Siri are trademarks of Apple Inc.
Sennheiser electronic GmbH & Co. KG Am Labor 1, 30900 Wedemark, Germany www.sennheiser.com, Publ. 06/20, 588543/A01
Use the app to configure the headphones and additional functions.
Smart Control⇒Download the free Sennheiser Smart Control app.
Package Includes
Charging the headphones
Switching the headphones on/off.
| Power button | LED | |
|
|
ON |
|
 |
OFF |
Activating/deactivating the voice assistant.
Siri, Google Assistant, Baidu, … … depending on a mobile phone.
Active Noise Cancellation ANC ON/OFF
Using the active noise cancellation ANC
Pairing and connecting to a Bluetooth Device.
Emparelhar e liger a um dispositive Bluetooth.
Using the audio cable (flight mode)
Folding and storing 
* Music functions
Play/Pause
Next
Previous
* Call functions.
Accept
End
Reject
*Refer to the user manual for the complete functions list.
References
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