About this item [Colorful Cool Mini Humidifier] Portable and small design is very easy for you take to anywhere. The water tank has a capacity of 300ml, meeting daily needs. The USB Power Supply compatible with any device USB port which ensures it can be used in home, bedroom, office, car and grow plants. [Ultra Quiet & Improves Air Quality] Ultrasonic humidifiers produce a near-silent frequency 25dB (quieter than a library) ensuring ultra-quiet operation. Use it to improve your home's air and atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry air, microorganisms, allergens, dust, and more [A Great Gift Idea For Everyone] If you're in the market for a nice and practical gift, you can stop looking. This car humidifier has a VIVID Colorful light setting creates a peaceful ambiance while delivering a soothing mist is thoughtful and handy present, one that everyone can benefit from. With a combination of style, design and function like that, it's a great hit [Two Light modes & Two Spray modes] One button controls all functions, you simply need to press the power button every 1 second to control the mist continuous or intermittent mode. Keep pushing power button for 3 seconds to enable the night light or colorful light function. [Auto OFF] On continuous mode, it will automatically shut-off after 4 hours. On intermittent mode, it will automatically shut-off after 8 hours. It 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. Can also be used as a humidifier for plants.