Blurp from the site:
The official Samsung Qi Quick Charging Station lets you charge your Samsung Galaxy S7, S7 Edge, Note 5 or S6 Edge+ up to 1.4 times faster than traditional wireless chargers. Using fast wireless charging technologies, you can recharge your device in just two hours.
Fast Charging: The Samsung Fast Charge Qi Wireless Charging Station allows your device to charge wirelessly via electromagnetic field and inductive coupling that send an energy charge from the charging pad to your phone. This makes for a space saving way to charge your phone at your desk, office or at home.