1. How does the device work? When sleeping, the throat muscles of some people relax, leading to the closure of the airway and repeated short pauses in breathing. The CPAP device pushes a continuous and defined flow of air through a mask placed on the face, acting as an "air cushion" that keeps the throat open and ensures stable and natural breathing throughout the night. 2. Basic components of the device Device body (motor): Contains the control screen, air pressure regulation chip, and air purification filters. Humidifier: A part filled with distilled water to humidify the outgoing air to prevent dryness of the nose and throat. Flexible tube: Connects the air from the device to the mask. Mask: Available in multiple types to suit personal comfort: Nasal pillows: Insert directly into the nostrils (light and comfortable). Nasal mask: Covers the entire nose. Full face mask: Covers the nose and mouth together (for those who breathe through their mouth during sleep). 3. Key health benefits of using it Improved sleep quality: Eliminates snoring and sudden intense awakenings. Activity and focus: Eliminates lethargy and excessive daytime sleepiness. Heart protection: Reduces the risk of the patient suffering from high blood pressure, heart attacks, and strokes caused by repeated oxygen deprivation during sleep. 4. Important tips for users Distilled water only: Always use distilled water in the humidifier's tank to avoid limescale and bacteria. Regular cleaning: Make sure to wash the mask and tube weekly with warm water and mild, fragrance-free soap. Gradual adaptation: If you find it difficult to get used to it, start by wearing it for short periods in the evening while reading or watching TV before bed. New price 3000, selling for 800 I am just an advertiser.