This 3-Port USB Charging Station with Wireless Charging Pad is easy to use, simply place down any Qi-enabled device or device equipped with Qi-compatible cover/case. With power-efficient idle mode prevents overcharging your battery and wasted energy. Charging 4 devices at once with this portable charging station. Measuring is 8.1"x4.3"x1.53". Large imprint area great for custom logo with full color or spot color imprint.