mini power bank 20000mah for iphone 11 xiaomi mi powerbank charger dual usb ports external battery led mirror poverbank portable

specification shell material: plastic color: as the picture shows battery capacity: 4500mah, 10000mah, 20000mah cell type: polymer lithium-ion cell conversion rate: 75% feature: 1. a dual usb fast charging port can charge two devices at the same time. 2.led glare flashlight to illuminate the road for you at night. 3.led digital display screen allows you to arrange power management reasonably. 4. thin and light, easy to carry. package list: 1*power bank note: due to the different...