This function is available for ongoing call only.
To activate mute function: Press the < POWER/MUTE > button once while there’s an ongoing call is in progress.
To deactivate mute function: Press the < POWER/MUTE > button to release the mute.
[ Transfer ]To activate transfer function: Press the < TALK/TRANSFER > button for 2 seconds to switch the current call from headset to cell phone.
NOTICE! Not all Bluetooth phones support transfer function, please refer to your phone’s user’s manual to make sure whether your phone supports this feature.
[BT400 G5 supports a particular function
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