... power never. 8. Multiple books switching. According to client needs, can be in learning, but also can through Koran close buttons choose ... CARDS, with this card, you can from the Koran book, to read the Koran. We carefully designed CARDS, with 12 function: A ... recording function, C voice volume, D speech speed adjustment, E learning and reading function, F choose Koran chapter, festival, pages of ...