20130121524 | HEADSET STRUCTURE - A headset structure is disclosed. The headset structure includes a microphone boom and an earphone housing. An elastic positioning structure is formed on an outer surface of the microphone boom, and the earphone housing has a gear-shaped notch adjusting structure for matching with the elastic positioning structure. In the present invention, the length of the microphone boom can be adjusted to be lengthened or shortened as required by the elastic positioning structure of the microphone boom and the gear-shaped notch adjusting structure of the earphone housing. | 05-16-2013 |