Working Principle: The built-in high-precision sensor sends out medium-frequency electric pulses to intervene, so that the throat muscles contract to open the breathing passage, allowing users to stop or reduce snoring Snoring Ear hanging type : This hanging-ear type snoring device is more effective and scientific, the traditional insertion of nose-type snoring device will bring unpleasantness and damage to the nostrils. 3-Gear Control:The 3-speed intensity adjustment of this anti-snoring device is a great way to stop snoring naturally. It regulates breathing rhythm. After wearing it for 2-3 weeks, the breathing will be smooth. Great Gift: It can be used in high-speed rail, airplane, office, etc. It is also a gift for family and friends. Ideal Christmas, New Years, birthday gift for grandparents. Small and Portable: Designed to be portable, easy to use and simply wear it on the lower jaw, suitable for use anywhere, anytime.No more complaints from the room, husband and wife, sleeping silently.