Dual usb charger portable power pack battery capacity 7 800 mah interfaces usb microusb interface input 1x micro usb interace output 2x usb type a power output max 24 features onoff switch battery indicator led flashlight included in delivery micro usb cable colour black input voltage 5 v output voltage 5 v material plastic charging function charges 2 devices simultaneously output i 2 4 a output ii 1 a applications smartphone camera mp3 play