2. Essential Description: The photograph shows the T-shaped design of the PoNS™ device. The thin base of the device shows the electrode tab that rests on the tongue. The cross section of the device that is not in the mouth is thicker and has indicator lights when the device is on, a battery status light, and a charge status light. It also has four buttons, one to increase the intensity, one to decrease the intensity, one to turn on the device and the last to turn off the device.