The Wheat Straw Power Bank features a 1200 mAh battery with built-in lightning/Micro USB, Type-C connectors, a flashlight, and a convenient key chain attachment. The exterior is made of wheat straw, a byproduct of wheat, making this an eco-friendly product. The battery is large enough to provide a 50% charge to the average smartphone. 1.69" x 2.58" x 0.71"