DEVICE FOR AMPLIFYING SOUND OF SMARTPHONE

摘要

The present invention relates to a smartphone accessory and, more specifically, to an amplifying device for amplifying the sound of an external speaker. According to the present invention, a loudspeaker of the external speaker comprises: a body part for amplification formed in an opened trump shape; an adhesive layer formed on one end of the body part to attach one end of the body part to the circumference of the speaker; and a peeling film configured to cover the adhesive layer.;COPYRIGHT KIPO 2017