The Elastic head band with adjustable buckle makes it more convenient wearing, The eye massager can relieve eye stress, eliminate pouch, wrinkles, black rim of the eye, Vibration Massage- simulating different Chinese traditional massage ways working on the acupoints around eyes and templeEye surgery or injured person, please do not use it, Person with High myopia use it under the guidance of a doctor. Children under eight years old need guidance by adult, and use it no more than 20 minutes per time. It's better not to wear contact lenses when using it. Methods of operation: 1. Connect the power on, pre, If you press the switch again, the machine immediately stop,