powermat is used for charging multiple devices

Powermat is the best way to stay charged while you travel. Download the Powermat wireless charging application to activate any Powermat charging point and target over 1,400 wireless charging locations in coffee shops, restaurants, universities and other public places. You can find places of Powermat in San Francisco, Los Angeles, New York, Boston, Connecticut, Chicago, Tallahassee and London, United Kingdom.

Use the Powermat application to activate any Powermat load point. The application will notify you when your battery is low, and will direct you to the nearest location with powermat charging points. The app also allows you to connect to your favorite places and receive offers in the store.
To enjoy wireless charging, launch the application, tap "Touch to charge" and place your Airfuel ™ compatible phone at the charging point.