Meet the WonderCube: a compact device that can serve as a charger, USB OTG, a phone stand, and card reader for your phone. It is compact enough to attach to your keyring. The built-in connectors let you charge your phone through a USB port. You also can charge your gadget using a 9V battery.
The WonderCube holds your phone in portrait or landscape position. The device can also be used to quickly backup your important data. There is even a LED mini torch to help you find things in the dark. Like what you see? You can get it on Indiegogo.