1.[Cordless Mini Humidifier] humidifiers built-in with a 1200mAh battery can last for 8 hours. Small humidifier is very easy to take with you anywhere and anytime, no cable tangles and super perfect for travel,bedroom,office,car which effectively moisturizes dry skin and helps you reduce skin peeling. 2.[Safe & Auto Shut-Off] There is a built-in water level sensor inside that will automatically turn off the power when the water is lower than the water level. Automatically shut down for 6 hours in the long-spray state. When the power supply voltage is insufficient, the spray nozzle light will flicker 5 times continuously and stop working. And the seal is strong, no longer afraid of pouring liquid to leak in accident. 3.[Large Spray & Open Water Tank] This small humidifiers for the bedroom are an open water tank for easy filling. The 400ML volume mini humidifier with the fine spray greatly increases the spray volume per hour, effectively moisturizing the dry air, preventing static electricity and dust, reliving dry nose and throat. 4.[No Button Design & Cool Lighting] The coke cup humidifiers whole body is designed without buttons, the spray can be switched on and off automatically by opening and closing the cover. The cool light effect will automatically turn on when spraying, simple and easy to use. Coke cup humidifier gifts to , parents, lovers and friends 5.[Warm Tips for Air Humidifier] ① The small humidifier is recommended to use tap water, Do not use bottled, distilled water, essential oils, perfume, which will block the spray port and the personal humidifier to be unusable. ② Please Soak the cotton swab for 5-10 minutes before use. ③ Any quality problem, please do feel to email us.