Abstract: A cigarette lighter adapter with USB connector, includes a first casing engagable with a second casing, the first and the second casings cooperatively defining a plug portion and a holding portion, a circuit board, a contact terminal, a fixed spring contact, a USB connector having an insertion opening, a rotating means, and a transmission wire electrically connected to the circuit board, wherein a sleeve having a plug hole corresponding to the insertion opening is mounted to the engaged first and the second casings and is able to rotate about the holding portion by means of the rotating means to locate the plug hole facing the insertion opening in an insertion position or to shield the insertion opening, whereby to protect the USB connector and keep dust out of the USB connector.

Abstract: This invention is a mobile phone connector, a connector with anti-dust and water-resistant functions. The connector comprises: a connector main unit having a welded side and a matching side, and an insulating casing on the outside of the connector main unit, having correspondingly a welded side and a matching side, characterized in that: on the matching side of the insulating casing is a cover unit that is fixed by a shaft. Between the cover unit and the matching side of the insulating casing are an anti-leak washer and a fastening device, so designed that when the cover unit is fixed by the shaft to the insulating casing, the anti-leak washer is pressed tight against the matching side of the insulating casing, so that side is sealed, and meanwhile, the obstruction of the cover unit provides anti-dust and water-resistant effects to the matching side of the insulating casing.

Abstract: Disclosed herein is an automatic clasping connector for STM card characterized in that it comprises a metallic protecting cover and a read in recessed slot. The protecting cover is spendable and able to clasp the read-in recessed slot automatically after closing by means of combined function of a pair of movable hooks provided respectively at the top ends of two slots formed at two sides of the inner surface of the protecting cover for inserting a SIM card therein, a pair of fixed protruding blocks provided at top ends of the read-in recessed slot, and a spring installed at the bottom of the protecting cover, thereby the information in a securely and reliably held SIM card can be exactly read.