Imitation leather A5 folder with built-in portable battery. The lithium battery has a capacity of 4,000 mAh, life time ≥ 500 cycles, with 5V/1A input/output and USB/micro USB cable to charge the battery. This folder contains a pen holder (pen not included), a removable pad 64 ivory lined sheets, several compartments to facilitate organization and support for a smartphone. Customizable plate with rubber finish on the exterior, interior LED and on/off button. Supplied in a gift box. 165 x 225 x 25 mm | Plate: 55 x 35 mm | Box: 180 x 240 x 35 mm