4000 mAh power bank with a bamboo casing and solar panel. This natural lookingpower bank will charge itself thanks to the built-in solar panel. Put it in thesun or direct daylight and it will charge. The 4000 mAh battery will be enoughto charge your smartphone when you need some extra power. It has 2 USB-outputs,DC5V/1A. Includes an indicating light and USB-cable with micro-USB plug. Bamboois a natural product, there may be slight variations in colour and size peritem, which can affect the final decoration outcome.