Cannot make a phone call

Cannot make a phone call.

Some smartphones and phone apps do not support hands-free calls.

Cannot hear the caller’s voice.

When there is an incoming call, double tap the touch sensor on the right or left earphone to answer the call.

Check that the power of the Bluetooth device is on and the Bluetooth function is enabled.

Select HSP or HFP as the Bluetooth connection profile on the transmitting Bluetooth device. For details, see the Owner’s Manual of the Bluetooth device.

Check that the Bluetooth device is set to handle calls through the earphones. For details, see the Owner’s Manual of the Bluetooth device.

Raise the earphones volume on the Bluetooth device side. Volume operation cannot be performed with the earphones.

Your voice cannot be heard by the other party.

If the built-in mic function is off (mute), your voice is muted. Turn on the mic function. link

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