Have you thought about that we can fix a camera lens inside of the USB charger cable? We are sure to tell you that we can do it. There are lots of poker players looking for the poker cheating device from us. So we develop this kind of USB cable camera to satisfy their demand. When you play poker games, you can put it and your phone in the table. It is so common to bring USB cable with your phone that no one will notice it. Then it will help you to read the barcode of marked decks and send the signal to the poker analyzer.
This camera lens is very easy for you to use, so you don't have to worry about it.