Main Features:
More durable and optimises charging efficiency, offer constant power
Dual USB Input and Output
Two USB ports, which can charge the devices at the same time, the USB-C and Micro USB provide two charging ways, convenient and fast
Power Input
5V 2.1A power input, deliver fast and efficient charging for each connected device.
High-density Lithium Polymer Batteries
Adopts premium Lithium polymer battery cells. It's compatible with smartphones and tablets as well as a variety of digital cameras and handheld gaming devices.

Specification:
General
Brand: Xiaomi
Model: PB100LZM
Material: ABS
Type: Portable Mobile Powers
Mainly Compatible with: Apple,iPad,LG,MP3,MP4,SAMSUNG
Battery Type: Li-Polymer Battery
Battery Current: 2.6A
Connection Type: Micro USB,Two USB Output Interface,Type-C

Product Details
Power (W): 37Wh
Input: 5V 2.1A
Output: 5.1V-2.4A (single port output); 5.1V-2.6A (dual port output)