Wireless Charger, Plug & Go! Qi Wireless Charging Pad for all Qi-Enabled Devices PLEASE NOTE: We strongly recommend using a 2A adapter/Power Source for the best results. Wireless Charging: Starts the moment you place down any Qi-enabled device or device equipped with a Qi-compatible cover. No cables or USB interface required. Input: AT LEAST 5V/1.5A; Output: 5V/1A This protable and light-weight Qi standard wireless charger pad is fit for various kinds of smartphones which is Qi-marked. Its usage is very simple, what you need to do is just putting the charging machine with QI-marked in the charging area, then it will start to charging persistently. You will find it a good solution for your convenient digital life.Please read the User Manual carefully before use.Some of the smartphone need an extra receiver module such as iPhone Samsung Galaxy. It's normal for the pad and phone get warm slightly during inductive charging, and they may get even warmer, if you use your phone during charging, for example using GPS or playing games, music etc.PROTECTIVE CASES is suggested to be REMOVED during charging What You Get: Plug&Go! Qi Wireless Charger, Micro USB cable