[ Portable mini humidifier ]7 color ambient light, portable and compact design, carry around, travel, bedroom, office perfect choice, effectively moisturize dry skin. [Operation Instructions] Step 1: Open the front cover of the humidifier and rinse the cotton tube until the whole cotton tube is wet. : Add water to the humidifier and tighten the front cover. Step 3: Plug the USB cable into the socket, the switch, and the humidifier starts to work. [Simple fashion humidifier] The humidifier is equipped with an blowtorch button to avoid cumbersome operation, simple and clear, volcanic shape, pouring without leakage, safety worry, avoid accidentally touching the humidifier, thus wetting the desktop and files, you can rest to use. [Precautions] Do not use essential oil, perfume, distilled water, otherwise the cotton swab be blocked, so that the humidifier cannot be used. Make sure the cotton core is soaked for a few minutes before turning on.