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Hello, I show an accessory for your phone that can be interesting. It's basically a stand for cell phone that amplifies the sound from the external speaker phone.
I tried it and it is curious to see that the result is really sensitive. Notice a significant volume change.
It is now an idea for a mono system, I'm in the process of making one for a tablet that has stereo output, I hope to show it soon.
A greeting and thanks for the visit.
<p>what are the measurements for this?</p>
<p>Hello, measures are of a 8x6 cm rectangle, although I recommend adapt the design to the model of phone you want to use .. </p>

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