PORTABLE DESIGN - The USB charging cable can provide enough battery power for two nights' use on a single charge. Weighing just 11.6g, the is portable and easy to use, so you can sleep peacefully at work, home, or while traveling.WORKING PRINCIPLE - Upon detecting snoring, earset physically intervenes with micro vibrations, which drive the nerve center of the brain to send out commands to tighten the muscles of the throat, thereby opening the airway to make breathing smoother. Snoring is therefore significantly reduced or completely stopped, all while ensuring undisturbed sleep.APP DATA - The free app monitors your sleep and allows you to view relevant sleep data, including snore data, intervention data, and sleep analysis reports. Start your journey towards healthy, peaceful sleep with the stop snoring device.WIDELY USE - The Anti-Snoring device is can be used high-speed rail, airplanes, offices, long-distance rides ,ect. You can also send friends as a present so that they can also enjoy the fun of technology.PREMIUM MATERIAL - The anti-snoring device is made of Food Grade Silicone Material for the best comfort and fits, so you can sleep comfortably and snore-free. One key to open. Long press for 3 seconds: turn on the snoring mode; short press for 1 second: turn on the Bluetooth mode.