Marcellin Posted March 26, 2018 Report Share Posted March 26, 2018 Hello everyone, I need your help to finalize our innovative object. This object is a sun umbrella which permits to energize your smartphone's battery or any electronic device. To help us you just need to give your opinion on this google form: https://goo.gl/forms/SzWAiHocHnI8rvak1 Thank you for your help and if you like our object, don't hesitate to share! Link to comment Share on other sites More sharing options...
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