Tone is an ultralight foldable sound amplifier that does not drain your phone's battery, as it works on the basis of the physical laws of sound travel. With its shell shape, it amplifies the volume of the sound coming from the mobile phone, and when not in use, it can be folded and stored in any pocket. The 75-gram sound amplifier is offered on Kickstarter by the Tone Design Team for (calculated) 30 euros.
Tons it is extremely thin collapsible sound amplifier, which enhances sound clarity without the use of a battery or electrical components. It works according to the physical laws of sound propagation, where only its own the unique shape amplifies the sound. It does this in a similar way as our hands do, which we put around our mouths when we want to say something louder, or when we wrap our hands around our ears when we want to hear something better.
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With its shell shape, Tone concrete turn up the volume of the music, which we play on smartphones, and unlike most Bluetooth sound amplifiers at that did not drain the phone's battery. We just put the phone in the shell from 3 mm aluminum composite panels, lined inside with polypropylene thermoplastic, and from here on it's pure physics. Amplifier assemble with two moves, and it is suitable for all types of mobile phones.
More information:
kickstarter.com
