WIRELESS HUMIDIFIER: Built-in 1200mAh polymer battery makes it easy to carry. 7 COLOR LED LIGHTS: The 7 color LED night light gives you more choices to find your favorite color. ULTRASONIC HUMIDIFIER: With silent design, it only produces noise less than 35dB, which is very quiet and let you have a perfect sleep. TWO SPRAY MODES & AUTO POWER OFF: This humidifier has two mist modes: continuous mode and intermittent mode. TIPS AND SERVICE: Adding tap water is better. Before first use, make sure the cotton core is soaked for 3-5 minutes. Do not use essential oils, perfume if the cotton core is clogged. Do not use mineral water, purified water, distilled water or other treated bottled water if water droplets form. Please make sure the cotton core is fully soaked for a few minutes, before you turn it on, otherwise it will not work. It is recommended to clean the humidifier once a week. And please turn off and unplug the device before refilling the water. Mini Humidifier This one 300ml humidifier has a sufficient amount of mist (25-50ml/h) for overnight use with a run time of 6-12 hours. You can choose continuous or intermittent mode with the whisper quiet sound. And you get healthier air, more moisture for your skin, and better sleep quality. Leak-proof design This rechargeable battery-powered humidifier is super easy to use and will not leak even when shaken and tipped over, which is gentle on your kids and pets. Super Quiet Humidifier The personal humidifier disperses cool moisture into the air to help you breathe easier. In addition, the whisper-quiet technology means that hardly any noise can be heard. Just enjoy your dream with fresh air. Rechargeable air purifier With 1200mAh battery for fast charging. It only takes 3 hours to fully charge and then you can use it alone without USB cable.