Pros:

• Idea / Innovation
  Even you can get Qi Wireless with affordable price, big power, and of course the process of refilling can be done wirelessly (for devices that already support).

• Design / UI / Spec
  The design is compact, small, stylish, and can be taken anywhere.

• Features / Benefits / Benefits
  You can take it anywhere, and of course it has a very cheap price, but with considerable power.

• Price
  $ 49, this is not too expensive. It's very cheap for me.

Cons:
Nothing.