PlusUs has introduced its Xpad, a charging pad that measures only 2.2 millimeters in depth. This spec leads the start-up to assert that it is the thinnest product of its kind worldwide. It is available as a reward as part of an Indiegogo campaign, which aims to raise US$20,000.
https://www.notebookcheck.net/The-world-s-thinnest-wireless-charging-pad-is-now-up-for-crowdfunding.410366.0.html