Luxury A4 size folder with built-in 5000 mAh battery and micro USB power cord. Outside, the folder has a large zipper for the opening of the folder, on the back are micro USB input, switch on and off, and a battery charge indicator. Inside, the folder has a stylish 20-sheet A4 notebook, multiple sheet compartments, cards and documents, various device compartments, a built-in 5000 mAh capacity battery, micro USB power cord, phone or tablet stand, and elastic band for pen. The pen is not included The folder arrives in a black cardboard box.