19dB Whisper Quiet and 8 Hours Timer: This desktop humidifier will power off automatically after running up to 8 hours when fully filled. Stop worrying about drying out. 19dB whisper-quiet operation (quieter than a computer running) will not disturb your studying, working or sleeping. Ensure safety and enjoy the fresh air. Better Humidification: portable humidifier features a titled nozzle, which spreads cool mist to a wider range. It helps to add moisture to your room and keep your skin moisturized in the dry seasons. Leak proof design reduces the possibility of accidental spills. 320ml Portable USB Humidifier: The palm-size portable humidifier is suitable for small space. Without occupying much space, the mini USB humidifier easily gets a place on any table and can be powered by any USB port to give you a better air: You can pack it in your handbags, backpacks and suitcases to take it anywhere. Easy to Use: Mini Humidifier works well with clean tap water or mineral water. No need to look for pure water. The one and only button controls power, lighting and mist mode. This cool mist humidifiers two modes satisfy your different needs. Various Occasions: The portable humidifier is compact and convenient to use in office, yoga, car, bedroom and travel scenes. Note: 1) Please soak the cotton swab for 3-5 minutes until it is fully soaked before using. 2) Please do NOT add essential oils or distilled water into the humidifier, which will cause the product to malfunction. 3) DO NOT loss the spring when replacing the cotton swab. Note1. Please do not let the water enter the charging port. 2. Please do not place the humidifier on the carpet with long fluff. 3. Please do not add water to exceed the Max line.4. To prevent any unpleasant odor and promote the efficiency, we recommend to clean the humidifier once a week.