| 摘要 |
<p>The invention relates to Bluetooth wireless headset. The headset includes an earphone having a speaker, a telescopic part, to which the earphone is attached, and a body including a built-in Bluetooth chip. The body is bar- shaped and has a space for receiving the telescopic part. The telescopic part is movable through the space outward to and inward from the earphone. The earphone moves inward in response to a single push and moves outward in response to a second push. A user can use the headset conveniently .</p> |
