16 royal Passat Bluetooth phone no matter how hard the other party can't hear you.

The microphone cable plug is not connected correctly, the microphone is faulty, or there is something wrong with the RNS or Bluetooth system, so the host needs to be replaced.

1. Car phones generally have the functions of receiving and calling, sending and receiving short messages, caller ID, surfing the Internet, digital dialing, address book, call management, setting time and date, etc. Some car phones are multi-frequency or dual-frequency.

2. The Bluetooth audio of the vehicle model is set separately. In the connected Bluetooth settings, there are two buttons: call audio and multimedia audio. If only the media audio is turned on at this time, Bluetooth will not be able to make calls, but only play music. At this time, you need to turn on the button to use the call function.