How the product works:Wear the product during rest, the product automaticallyand accurately detect snoring through high-precision sensors,massage the hypoglossal and mandibular musclesthrough vibration pulses of different frequencies,promote muscle tightening, adjust breathing rhythm, and make breathing easier.Significant anti-snoring effect:1. Wear it for 2-3 weeks, the breathing be smoothwhen sleeping, and the frequency of snoring be reduced a lot.2. Continue to wear it for about 30 days, the breathinggradually becomes stable, and the family can sleep at ease.3. Wear it for about 2 months, you can leave without relying on the product.Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UseNote:Due to long time shipping, the item may damage in itColour:BlackMaterial:ABSPackage Contents:1 x Anti Snoring DeviceOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.