Passive speaker for smartphone

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The primary objective of this design is to enable effortless placement of your smartphone, whereupon sound is precisely directed and slightly amplified. Inside the chamber, a parabolic curve effectively focuses sound waves, with the aperture positioned at the focal point to optimize acoustic output. For added convenience, a detachable lid allows seamless integration into bathroom settings, safeguarding your device from water splashes and condensation. Notably, this design was tailored for the Samsung Galaxy S3; hence, modifications may be necessary to accommodate alternative phone models, necessitating careful measurement verification of required dimensions.