Specification:Item Type: Sleep Aid DeviceGel Net Content: 15mlGel Shelf Life: 3 YearsPower Supply Mode: 1 x AAA Battery (Not Included)Efficacy: This product adjusts the physiological functions of the human body in a natural physical way, relieves physical and mental stress, and allows users to fall asleep easily. Using this product, not only the total sleep hours but also the sleep depth can be improved. With good sleep efficiency and quality, the immune function is naturally enhanced, and you will have the opportunity to experience a new happy and healthy life.Sleep aid device is a simple and effective method to reduce snoring by using biological response self training. The process is as follows: the sleep instrument receives the snoring signal through the micro sensing detector, and the automatic micro control IC outputs the stimulation signal, which is transmitted to the motor nerve through the skin, and the user's sleeping posture changes to reduce snoring and reduce sound of snoring. If the user combines training (in sleep, if you feel a weak stimulus, you can change the sleeping position by yourself), and if you use it for 1-2 months, you will definitely receive satisfactory results.How to Use:1. A. Battery installationPress down the battery cover first, then push it forward, and install the battery in the correct direction according to the (+, -) poles marked in the battery compartment, and then push the battery cover back to cover it tightly.B. Installation before use1. Each time you use this product, first stick the sleep patch on the black conductive rubber on the back of the sleep device, then use your fingers to dip the attached conductive gel, apply an appropriate amount on the sleep patch, and let it fully contact with the skin to obtain the best conduction effect.Note: After the first use, the sleep patch does not need to be removed from the sleep device, and a transparent film is attached for easy