| 摘要 |
An earphone is provided to adjust the interval between the microphones in the cellular phone in application and prevent the earphone from being rolled. An earphone is comprised of a connection jack(110), a cable(120), a speaker(130), a zipper(140), a pocket(150) and a microphone. The cable is coated with the outer cover including the rubber or the plastic material etc. An extension part(122) which is protruded toward groove is formed toward the outer cover of the cable. The zipper is equipped in the extension part in the corresponding to location(zigzag position) with the constant interval. The zipper adjusts the length from the start portion to the end portion of cable. |
