The heart of the unit is a 3.25”-diameter plastic charging base with four contact areas on the top, and a green LED ring right in the middle. The only traditional connector is the Micro-USB port found on the back; this allows the unit to be powered with the included USB cable, either through a computer or the bundled wall adapter. Lining the bottom is a soft felt material that prevents the base from scratching your desk, but also allows it to…