The capacity (10,400 mAh) is very good for its compact size, the iPhone 5 can be fully charged 3-4x and the iPad Air, it is sufficient for an almost complete charge. The charge level can be seen in four flashing LEDs and it has two charge outputs (2.1A and 1A), so even two devices can be connected simultaneously.
Unique and useful feature is the USB combo cable with 4 different connectors, because you have all important always there. I use the Power Bank for various devices, such as Bluetooth headphones or speakers, the search for the matching wiring has done so. Another accessory there is also a storage bag with a small extra compartment for the cable.
The need to charge the power bank cable or plug (Micro USB) is of course the combination cable with it, but no charger. Charging takes place either via USB port or with the charger from its own smartphone. It takes a few hours until the Power Bank again is completely full, I invite you most on overnight because that's not a problem.
The Power Bank has become my constant companion on long trips, it is handy and fits in almost any (hand) bag. Also the charging cable and the connector have been proven with the Lightning connector I had with another battery pack before the problem is that he was quickly broken. Here the plugs are a little stiff, but overall I am very satisfied with the device and would recommend it only.