1.ease pain, such as Waist Leg Pain, Neuralgia, Cervical ... AAA (7#) three dry batteries Functions: 1. Ease pain.Prescription: ease painArea of body: Area of pain (taking abdomen ... for the first time by 30 minutes that cannot ease pain, you'd better set the time between 35 ... are uncomfortable of neck, faint arms and even legs, headache, dizziness, and so on.Prescription: cervical spondysisArea of body ...