Do you have a question about the MiiKey MiiSport C and is the answer not in the manual?
Connect the charger to a wall outlet and wait for a red LED light.
Press and hold the MFB for 2 seconds for power on/off prompts.
Connect your headset to Bluetooth-enabled devices.
Re-pairing the headset after initial connection.
Answer or reject incoming calls using the MFB.
Mute/unmute calls using play/pause and end calls with MFB.
Activate voice commands via MFB and redial last number.
Adjust volume and control music playback/pausing.
Skip tracks and transfer calls between devices.
Automatic reconnection to previously paired device.