Study of a Device to Relieve Mosquito Bite Itching.

Inclusion Criteria: * One lab-induced mosquito bite on the non-dominant forearm * Familiarity with an immediate mosquito bite reaction. * History of immediately responding to mosquito bites with itching. * Willing and able to refrain from consuming anti-histamines, corticosteroids, or Non-Steroid Anti-Inflammatory Drugs (NSAID,) for a time period of 4 half lives of the drug prior to the beginning of the study, and continuing throughout the course of the study. * Willing to abstain from the use of insect repellant and/or any treatment other than the test device for the relief of mosquito bite symptoms until after the study. * Primary written and spoken language is English. Exclusion Criteria: * No history of prior affliction with mosquito bites. * History of lack of reaction to mosquito and/or other insect bites that includes itching. * History of hypersensitivity to the bites or stings of mosquitoes, bees or wasps. * Presence of mosquito bites or other types of insect bite/stings on any location on the body. * Current use of steroids. * Use of insect repellants during the week prior to study start. * Use of topical agents on the arm during the week prior to study start. * Pacemaker, ICD or other implantable heart device. * Therapeutic use of any type of electrical stimulation. * Epilepsy. * Diabetes. * Presence of neurological disorder. * Prior surgery to the forearm area. * Infection or wound in the forearm area. * Any skin or other disease or illness that can cause or influence skin itching, such as Psoriasis. * Developmental disability or cognitive impairment that impacts the ability to read and/or to understand the content of the informed consent form or the device labeling and/or impacts the ability to read and/or to understand and/or to complete the study case report forms. * Significant psychological disorder(s) for which treatment has become necessary, including anxiety and depression; psychiatric hospitalization. * Pregnancy or lactation. * Involvement in litigation and/or receiving disability benefits related to any kind of disability, injury, or other medical problem. * Participation in research over the preceding 90 days.