Portable Mini USB Air Humidifier

One-button control of all functions. Press the button for 1s to control the mist mode. Press for 2s to turn on the colorful night light. Press again for 2s to turn on the gradient 7 colored lights. Made of the same high-grade, safe, and environmentally friendly PP material and is BPA-free. which is safe for your baby and pets. (For the first use, please soak the cotton swab in water for 3-5 minutes, then put it into the catheter)  This essential oil diffuser has two mist modes: On continuous mode, it will auto shut off after 4 hours. On intermittent mode, it will auto shut off after 6 hours. It will shut off when the water level is low. Thus, you don't have to worry about the humidifier being damaged in the absence of water. You can use it at night without worrying about safety. Portable and small designs are very convenient for you to take with you. The USB power adapter is compatible with any USB port of the device and ensures it can be used in bedrooms, offices, cars, bathrooms or