A headphone, comprising: a USB-C interface; a controller electrically connected to the USB-C interface; a biological features detection module connected to the controller; a microphone electrically connected to the controller, and a loudspeaker electrically connected to the controller; wherein the biological features detection module is configured to detect biological features of a user wearing the headphone; the controller is configured to control, when the headphone is in a digital mode, paring between the USB-C interface and a terminal and communication among the terminal, the biological features detection module, the microphone and the loudspeaker, to control detection of biological features and processing of audio data, the headphone further comprising: a first digital channel and a codec module, wherein the codec module is configured to communicate with the controller via the first digital channel, and is configured to process audio analog signals and audio digital signals;, the controller is configured to communicate with the biological features detection module via the first digital channel to control detection of biological features, or the controller is configured to communicate with the biological features detection module via a second digital channel to control detection of biological features and processing of audio data; an analog channel, wherein the controller is electrically connected to the biological features detection module, the microphone and the loudspeaker via the analog channel to control detection of biological features and processing of audio data; and a switching module, wherein the switching module is configured to switch to detect biological features and process audio data by the first digital channel or the analog channel. a USB-C interface; a controller electrically connected to the USB-C interface; a biological features detection module connected to the controller; a microphone electrically connected to the controller, and a loudspeaker electrically connected to the controller; wherein the biological features detection module is configured to detect biological features of a user wearing the headphone; the controller is configured to control, when the headphone is in a digital mode, paring between the USB-C interface and a terminal and communication among the terminal, the biological features detection module, the microphone and the loudspeaker, to control detection of biological features and processing of audio data, the headphone further comprising: a first digital channel and a codec module, wherein the codec module is configured to communicate with the controller via the first digital channel, and is configured to process audio analog signals and audio digital signals;, the controller is configured to communicate with the biological features detection module via the first digital channel to control detection of biological features, or the controller is configured to communicate with the biological features detection module via a second digital channel to control detection of biological features and processing of audio data; an analog channel, wherein the controller is electrically connected to the biological features detection module, the microphone and the loudspeaker via the analog channel to control detection of biological features and processing of audio data; and a switching module, wherein the switching module is configured to switch to detect biological features and process audio data by the first digital channel or the analog channel. a first digital channel and a codec module, wherein the codec module is configured to communicate with the controller via the first digital channel, and is configured to process audio analog signals and audio digital signals;, the controller is configured to communicate with the biological features detection module via the first digital channel to control detection of biological features, or the controller is configured to communicate with the biological features detection module via a second digital channel to control detection of biological features and processing of audio data; an analog channel, wherein the controller is electrically connected to the biological features detection module, the microphone and the loudspeaker via the analog channel to control detection of biological features and processing of audio data; and a switching module, wherein the switching module is configured to switch to detect biological features and process audio data by the first digital channel or the analog channel.