Samsung SM-N950F User Manual page 97

Apps and features
Waking up Bixby Voice while using the speaker
You can wake up Bixby Voice by saying "Hi Bixby" even when the speaker plays alarms,
ringtone, or media.
On the Bixby Home, tap → Settings → Voice wake-up and tap the Use when phone
speaker playing switch to activate it.
Using earphones or a Bluetooth headset
Connect earphones or a Bluetooth headset to the device when your voice is not heard
clearly via the built-in microphone due to noisy environments. Press and hold the Call button
on earphones or a Bluetooth headset to launch Bixby Voice and say your request to the
microphone.
This feature may not be available or its method of use may vary depending on the
earphones and Bluetooth headset.
Call button
97