This passive smartphone amplifier offers an eco-friendly and innovative solution to enhance your device's audio without batteries or electricity! Crafted from recycled cardboard from a spool, combined with 3D-printed plastic components, the Sound Boost amplifies sound using acoustic physics, naturally improving volume and sound quality.
🎨 Features:
🔧 How to use?
Simply place your smartphone in the upper compartment, play your favorite music, and let the amplifier do the rest!
🌍 Why choose it?
Perfect for those seeking an original, ecological, and useful everyday idea! 🚀♻️
Happy printing from Zenith3DProOfficial
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