10W fast wireless charging, phones can be charged whether it is placed vertically or horizontally, whether it is with case or without phone case. What's more, it has overcharge protection. Convenient and safe. It also did great as a phone holder because phone doesn't slip when placing on it. You can also use it to play music, it supports TF card, USB , earphone and Bluetooth. Not mention the clock function, add more convenience to your life! Never miss this fantastic product! Built-in battery.