A wireless communication device coupled to a wave antenna that provides greater increased durability and impedance matching. The disc rotates around a rotating axis and has slits that are formed circumferentially at given intervals. The user input means comprise a circular ring which surrounds a display. A plurality of clamping grooves are respectively defined by the blocking plates and the cantilevers. When unplugging the male connector, users have only to slightly depress the compressible tab, and male connector will be loosened and pushed out from the female connector. A second hydraulic system is configured to extend the extending portions of the ramps.