7
to make hands-free calls. Due to the different social APPs have
different operation mode, the [
] key of DA-12221 may be
invalid. You’ll need to manually operate on the APP to answer
or end the call. If you don’t want the other party to hear you
during a call, you can click the [
] key to turn off the
microphone or click again to turn on the microphone.
Note
: The effective range of the microphones for calls is 5
meters.
