A UV-C emitting phone case is provided that includes a main body defining a receiving cavity and a perimeter configured to receive and hold a mobile phone, surround a perimeter and a back portion of the phone. The phone case includes at least one UV-C light emitting diode (LED) positioned in the main body of the phone case and exposed on a back side of the phone case. It further includes a window for exposing the UV-C LED and optionally having a color metric to indicate if the light is being emitted, a power source built into the phone case and connected to the UV-C LED; an on/off switch coupled to the power source configured to activate and deactivate the UV-C LED; and an optional distance sensor to indicate a distance from a target surface to the UV-C LED.