The Wireless Charging Pad offers charging with ultimate freedom – no cables and no delay. The Qi-certified charging pad works with any Qi-certified smartphones, tablets, and accessories. There is no need to remove your device from its case as the charger is designed to work through most cases, up to about 3mm. Plus, the wireless technology means there is no time spent searching for the right cable. The metallic finish and soft matte surface prevents slipping while protecting your smartphone.