Abstract: A headphone system includes a headphone body and a signal source device. The headphone body includes a connection kit, a first earmuff module, a second earmuff module, a connection port, and a processor. The first earmuff module is connected to a first terminal of the connection kit. The first earmuff module includes at least one first pressure sensor and a first speaker. The second earmuff module is connected to a second terminal of the connection kit. The second earmuff module includes at least one second pressure sensor and a second speaker. The connection port is used for receiving an audio source signal from the signal source device. The processor receives a plurality of pressure values detected by the at least one first pressure sensor and second pressure sensor and sets at least one set of equalizer gains of the first speaker and the second speaker according to the pressure values.

Abstract: An improved structure of headphone comprising: an arched straddle type strip, one end of the straddle type strip is provided with an earphone, an enlarged piece is provided on the other end of the arched straddle type strip, a flexible twig with a microphone on its own end is connected to the lower end of the earphone, the structure is characterized by that: the enlarged piece is provided with a soft cover having on the front and the rear ends thereof elastic hollow protrusions for contacting a lateral side of a head; thereby, the headphone can take advantage of the soft and comfortable elastic hollow protrusions for wearing and fixing after adjustment on and any head with different size, thus a practical structure of headphone is obtained.