The portable charger has 4 built-in data cables(dismountable): 1*USB data cable, 1*Micro data cable, 1*LT data cable, and 1*Type-C data cable. 1 output port: 1 * Micro USB port. It can charge up to 4 devices. You can use this portable charger to charge your mobile phone anytime, anywhere, without the need to prepare a charging cable, which solves the problem of multi-wire entanglement. Smart Digital Screen could show the remaining power in digital format, which could remind you to charge it in time. You could turn on the LED lights by long pressing the switch, which could help you see anything clearly when at night.