Abstract: A multifunctional headphone cable includes: a connecting line, two ends thereof respectively having an audio connection portion configured with a noise receiving microphone; a controller, configured on the connecting line and including a control circuit, the control circuit being configured with an active noise cancelling (ANC) module in connection with the noise receiving microphone, the control circuit being configured with a hearing amplifier adapted to amplify audio signals, memory module, wireless communication module and wireless charging module; and a power supply unit, configured on the connecting line and in connection with the control circuit.