3-in-1 Anti Snoring SolutionUSB Rechargeable, made of extremely soft silicone material extremely soft for different size of nasal passage.Built-in micro-blowers are completely contained in anti-snoring devices,which makes your breath easy letting The world's first Electric snoring device with a unique design, it help maximize airflow through the nasal passage, you will breath smoothly and feel comfortable. More perfect than 2-in-1 Anti Snoring Devices. IMPORTANT INSTRUCTIONS: Having a new item in the nose during sleep may take some getting used to. So give yourself a few days to allow you to fully adjust to breathing with the device in and see improvements in your quality of sleep and snoring Clean AirBuilt-in activated carbon filter, which effectively filters harmful gases and dust to provide healthy air.Simply insert the vent into the nostril and sleep quietly