Brief introduction A breakthrough technology to treat sleep apnea that people will actually use Purify air pollution makes breathe easier. Performance 1.Obstructive Sleep Apnea (OSA) is typically caused by a blockage of the airway when the soft tissue in the rear of the throat collapses during sleep. Untreated, OSA causes a number of serious health problems, including high blood pressure, cardiovascular disease, memory impairment, weight gain, and headaches. The standard treatment for OSA is what is known as Continuous Positive Airway Pressure, or CPAP. 2. PM2.5 fine particulate matter means the particulate matters in air, which has less than 2.5um diameter. It can susped in air for long time and it indicates the air pollution index, high density means serious air pollution. In spite of only a small portion in atmosphere, but PM2.5 has important effect to air quality and visibility. Compare to the big particulate matters, PM2.5 is micro_size, big area, strong activity, easy to carry with toxic substances(such as heavy metal, microorganism etc). In addition, it stays long time in air and transport long distance, so it has serious influence to body and environmental quality. Five harms: Harm to your lungs, harm to your heart, harm to your blood vessel, harm to your skin and harm to your brain. 3. CPAP masks have a hard time maintaining a perfect seal onto your face as you move during sleep. The sound of rushing air will wake up not only you but also your partner. The hoses used by CPAP masks drag on the end table and on the bed, causing sleep disruptions. But Airing creates a tight fit inside your nostrils with no hoses to catch on anything. Better yet, snoring is eliminated. liberates you. Think about how liberated you could be with not just one good night's sleep, but hundreds of them. Think about health problems you will avoid. Think about the energy you will have. Think about how much more productive you will be at work, the potential car accidents you ll avoid, even your golf handicap decreasing by 3 shots. In short, think about how liberated you will be when you start using Airing to manage your sleep apnea. Soft, comfortable silicone engineered to stay firmly in the nostril, forming a perfect seal without the need for straps. Shell: the shell shape, environmental ABS materials Size:50*18*18mm Weight;22g Colors :Blue ,Green,Red Package including: 1 PCS