3 in 1 anti-snoring solution USB rechargeable, made of extremely soft silicone material, very soft and suitable for nasal passages of different sizes. The built-in micro blower is fully included in the anti-snoring device, making your breathing easy New Design2020 The world's first electric snorer with a unique design that helps maximize airflow through the nasal passages, allowing you to breathe smoothly and comfortably. More perfect than the 2-in-1 snoring device. Important note: Sleeping with new items in your nose may take some getting used to. So give yourself a few days to fully adjust to your breathing while wearing the device and see improvements in sleep and snoring quality Clean Air has a built-in activated charcoal filter that effectively filters out harmful gases and dust for healthy air.