Working Principle: Anti-snoring product automatically and accurately detects snoring by means of high-precision sensor, massage the sublingual nerve and mandibular muscle group by means of vibrating pulses at different frequencies, in order to promote muscle tightening, adjust breathing rate and make breathing smoother. 3-Speed Control: The 3-speed intensity setting of this anti-snoring device is a great way to stop snoring naturally. It regulates the breathing rate. After wearing it for 2-3 weeks, breathing will be gentle Intelligent Snoring Recognition: Electronic Anti Snoring Device The smart chip algorithm is upgraded and the monitoring capability is more sensitive. It can automatically distinguish environmental sounds such as noise and dreams, which greatly improves the success rate Portable and Easy to Use: Small size sleep aid device, light weight, easy to carry. Reusable and not easy to fall off. Suitable for all sleeping positions, you can use it with confidence Wide Application: The smart anti-snoring device is suitable for many scenarios such as Office, airplane, bedroom, dormitory, high-speed train, car, etc. It is also a gift for family and friends. Ideal Christmas, New Years, birthday gift for grandparents. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!