Patent ID: 8145283

Claim:
A wireless earphone comprising: an earphone body comprising a microphone end and an opposite earphone end, the earphone end defining a hole and a guiding slot, the guiding slot recessed in an inner wall of the hole, the guiding slot connecting with one side of the body; a microphone disposed at the microphone end of the body; and an earphone retractably disposed at the earphone end of the body, the earphone including a head portion, a supporting portion and a guiding block the guiding block protruding from a distal end of the supporting portion opposite to the head portion; wherein the supporting portion is inserted into the hole, and the guiding block is slid through the guiding slot, and the earphone is rotated relative to the body to prevent the earphone sliding out of the body unless rotated to once again align the guiding block with the guiding slot.