The Anti-snoring adopts sound recognition and bone conduction technology to detect snores and emit low frequency pulse to stimulate and massage nerves, effectively allowing you to have a peaceful and enhanced sleep qualityAdjustable Mode The intensity of the product intervention from weak to strong physical intervention can be adjusted ,so you can choose working mode that suits you.Sleep Better: The ideal way to stop snoring, will make the snoring person sleep better and sleep more, which is the perfect gift for the snoring peopleProduct Contraindications: Prohibition of use of people with heart pacemakers, heart and cerebrovascular problems, pregnancy or childbirth Color: blackMaterial: ABS + elastic beltSize: 50 * 20 * 12mm