4000 mAh power bank with a bamboo casing and solar panel. This natural looking power bank will charge itself thanks to the built-in solar panel. Put it in the sun or direct daylight and it will charge. The 4000 mAh battery will be enough to 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. Bamboo is a natural product, there may be slight variations in colour and size per item, which can affect the final decoration outcome.