Dual usb charger portable power pack battery capacity 10 400 mah interfaces microusb usb interace output 2x usb type a power output max 31 features battery indicator onoff switch included in delivery micro usb cable user manual colour green output voltage 5 v operating voltage 5 v material plastic compatible smartphones samsung galaxy s3 google nexus 4 samsung galaxy note 3 htc one mini nokia lumia 1020 sony xperia z ultra apple iphone 5 protectio