With the Joyroom Star power bank, you won't have to worry about running out of power on your smartphone, tablet, or earphones whenever you go out. This large power bank has two UBS-A outputs, one USB-C input/output, and one MicroUSB input. It supports multiple fast-charging protocols that guarantee to recharge your device in the shortest possible time. Upon that, this compact portable external battery features an LED display that clearly shows you at any moment the remaining battery percentage.