A connector assembly connects an electronic device to a seat and has a plug connector and socket connector. The plug connector is mounted on the seat and has an insulating plug base, a row of plug terminals and a plug shell formed on the insulating plug base. The insulating plug base has a mounting surface having a rounded edge. The socket connector is connected detachably to the plug connector and has an insulating socket base, a row of plug terminals and a socket shell being formed on the insulating socket base. The insulating socket has a connecting surface having a rounded edge to guide the connecting surface of the insulating plug base into the socket connector. The rounded edges of the insulating plug and socket base facilitate connection of the plug and socket connectors along a curved path to prevent misalignment damage.