Specification: Product name:Smart pulse snore Power supply: USB charging Material: ABS Wear the product during rest, the product will automatically and accurately detect snoring through high-precision sensors, massage the hypoglossal nerve and mandibular muscles through 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 will be smooth when sleeping, and the frequency of snoring will be reduced a lot 2. Continue to wear it for about 30 days, the breathing gradually becomes stable, and the family can sleep at ease 3. Wear it for about 2 months, you can leave without relying on the product Warm Tips: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understand! 3.1mm=0.039inch. Package Includes: 1 * Smart pulse snore Notes: 1.Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.