Portable power pack dual usb charger battery capacity 6 600 mah interfaces microusb usb interace output 2x usb type a power output max 2 dimensions 101 x 63 x 21 mm weight 187 g features onoff switch battery indicator led flashlight included in delivery usb cable colour white rechargeable battery technology li ion output voltage 5 v operating voltage 5 v material plastic charging function charges 2 devices simultaneously applications smartphone