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The SonarPen is a battery-less and pressure sensitive smart pen that turns all iPad, iPhone & Android into a professional creative canvas. Shipping now.
The SonarPen is a battery-less and pressure sensitive smart pen that turns all iPad, iPhone & Android into a professional creative canvas. Shipping now.
2,357 backers pledged HK$ 724,129 to help bring this project to life.
2,357 people are supporting GreenBulb
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