Denon PerL True-Wireless Earbuds - Manual (Page 14)

Making and receiving voice calls
with your earbuds
The earbuds includes highly sensitive microphones for enhanced voice
call quality.
When your earbuds is connected via Bluetooth, you can answer voice
calls:
0
Directly on your phone;
0
Or by using the earbuds touch buttons, if the answer call function has
been assigned to a touch button within the Denon Headphones app.
Contents Basic part Advanced part Headphones app Troubleshooting Appendix
14