electroCore, Inc. is a commercial-phase medical device enterprise whose focus lies in developing and bringing to market a variety of non-invasive vagus nerve stimulation (nVNS) therapies. Currently, the firm is advancing gammaCore, a prescription-only nVNS therapy specifically engineered for adults to acutely treat the discomfort associated with both migraine and episodic cluster headaches. Its flagship offering, the gammaCore Sapphire, is a portable, rechargeable, and refillable device intended for either regular or intermittent use over many years.