Compact, durable and environmentally responsible power bank made of natural bamboo with built-in lithium polymer battery (4000mAh). Easily charges smartphones via the USB-port. Input 5V/2A (Type-C and micro-USB). Output: 5V/2A. Includes 50 cm micro-USB (2A) charging cable, indicator lights, on/off button and user manual. Each item is individually boxed.