Digital led display.
fast bank charge.
very portable: 80*80*23mm.
double usb fast-charge ports can be increased with a usb hub.
very durable and long-lasting charge.
large capacity 20000mah fit in very portable slim small size.
durable reinforced with aluminum alloy, damage-resistant.
digital display of charge and remaining capacity with precision accuracy.
best market price.
free universal usb cable