Specifications: - Fast Wireless Charging: Enjoy speeds 1.6 times faster than a standard wireless charging pad, the two transmitter coils more effectively cover the wireless charging area, allowing you to place your phone in a free position, without the need for a perfect alignment charge. - Charging through the case: The wireless charging pad charges through phone cases that are no more than 4mm thick. But in order to charge more efficiently, it is suggested to remove the CASE while charging. No metal, magnetic or credit card attachments.