Scanbox is a foldable device which is connected with your smartphone and used to perform scanning of documents. It is basically a portable device which can be used for bulk scanning. Smartphone can be used for scanning QR codes but this is much better. This portable & foldable device comes with LED light at the bottom that provides eminent light to scan your documents with ease. It uses the camera of your smartphone for scanning & gives you amazing high quality scans. This device gives you the best scanning quality possible. This portable scanner is available for $15.