Operate with the R headphone unit.

Answering the call

Tap the main control panel once quickly when receiving the call.

Ending the call

Tap the main control panel once quickly during the call.

Rejecting a call

Press and hold the main control panel for about 1 second when receiving the call.

Switch the call between the System and smartphone

Press and hold the main control panel for about 1 second during the call.

Using voice assistant function (Siri etc)

When the phone is not in use, tap once on the sub control panel of the headphone unit and continue to hold for about 1 seconds.