Feature: 1. Working Principle: Snoring sound is automatically and accurately detected by high precision sensors, and hypoglossal nerve and mandibular muscles are massaged through vibration pulses of different frequencies to promote muscle tightening and regulate breathing rhythm. 2. Multiple Uses: 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. 3. Ergonomic Design: Ergonomically designed for a high level of comfort, you wear and use the product correctly according to our guidelines. 4. Persistent Use: You wear it for 2‑3 weeks, the breathing will be smooth when sleeping, and the number of snoring will be greatly reduced. 5. Smart Anti Snoring Device: Snoring can be accurately recognized, devide will help to gradually reduce snoring symptoms and improve your sleep quality. Specification: Item Type: Smart Anti Snoring Device Rated Voltage: 3.7V Size: Approx. 48 x 22 x 16.7mm/1.9 x 0.9 x 0.7in Battery Capacity: Lithium Battery 120mAh (Shipped with built in battery) Material: ABS+PC Working Time: About 30 Hours Pulse Frequency: 10Hz-1500Hz Rated Current: 20mA Working Principle: Wear this product during rest, automatically and accurately detect snoring through high precision sensors, and massage hypoglossal nerve and mandibular muscles through vibration pulses of different frequencies to promote muscle tightening, regulate breathing rhythm, and make breathing more smoothly . Package List: 1 x Intelligent Anti Snoring Device1 x USB Data Cable1 x Instruction