1. It helps maximize airflow through the nasal passages, you will breathe smoothly and feel comfortable. 3. USB rechargeable, made of very soft, very soft silicone, suitable for different sizes of nasal passages, making your breathing easier. 4. It can effectively filter harmful gases and dust to provide healthy air. Double vortex air supply technology makes breathing unobstructed and sleeping more comfortable. Features: 1. It helps maximize airflow through the nasal passages, you will breathe smoothly and feel comfortable. 3. USB rechargeable, made of very soft, very soft silicone, suitable for different sizes of nasal passages, making your breathing easier. 4. It can effectively filter harmful gases and dust to provide healthy air. Double vortex air supply technology makes breathing unob.
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