| 摘要 |
A multi-media loudspeaker which includes a primary loudspeaker case connected with a transmission cable, a loudspeaker, a microphone, a headphone socket, and a volume control, a secondary loudspeaker case connected with the primary loudspeaker case via a cord, a retractable coiling cord device connected with the cord, the retractable coiling cord device comprising a front cover, a spiral spring, a sliding disc, a retraction cord, a positioning bead and a rear cover, and a cable reel connected with the transmission cable, the cable reel comprising an upper cover, a pad, a reeling disc, a spring, and a lower cover, whereby the multi-media loudspeaker can be used for converting electrical signals into sounds loud enough to be heard at a distance and converting sound waves into electrical energy thereby enabling the user to listen to the music and talk through the computer via the Internet.
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