Fast wireless charging up to 15-watts, so you always safely get the fastest possible wireless charging. Just lay your Mi 9 onto the pad for a quick and easy power boost. Power any Qi-compatible phone using this single charger. The Boost Charge Wireless Charging Pad 15W has been engineered to charge Mi 9 smartphones at the fastest possible speed. Our wireless charging pads are engineered to work with lightweight plastic cases up to 3mm, so you can keep your case on while charging. Includes a charging cable so you can start charging wirelessly out of the box. What’s in the box: Wireless Charging Pad 15W charging cable. Backed by a 90-day limited warranty for your peace of mind.