[Ultrasonic silent design]: the humidifier uses an ultrasonic and silent design to clean the air, improve sleep quality and make calm. Less than 25 dB quiet atmosphere can create a comfortable sleeping environment. [Without water auto to turn off]: This humidifier automatically turns off when the humidifier has no water, very safe and durable. The large cool spray can mist 360 to bring a cosy atmosphere to all sides. [Portable and 2 spray modes]: the mini humidifier is 8 x 8 x 16 cm size, easy to carry and place. The humidifier can be adjusted on the table, in the car, in the room and in the office. The humidifier can withstand 8 hours of continuous spray mode or 20 hours intermittent spray mode to enjoy cool mist. [7 colours changeable LED light]: The humidifier can change 7 colours at night, press the power switch for about 3 seconds. The humidifier can decorate as a night light to create a comfortable atmosphere. [Multi USB Humidifier]: The humidifier works with USB charging cable. This humidifier can make cool mist and eliminate static electricity and dust in the air. In dry winter, the humidifier can improve your dry and cracked skin. You can also use aromatherapy. (Attention: only recommend dripping 1-2 essential oil and cleaning regularly.) Safety: 1. The humidifier has no radiation, safe and healthy for the old man, pregnant women and children. 2. The humidifier can turn off automatically when it has no water. Safe and long service life. 7 colourful LED light:The cute humidifier has a colourful light at night when you turn the humidifier on or off. Perfect for bedroom, study, office, living room, bathroom, yoga, spa, party, baby room, etc. Large volume and long-lasting:This humidifier is beautiful and cute, but has a large capacity of 350 ml. After filling with water, it can be used for about 20 hours to moisturise the skin all day. Ultra quiet design:This humidifier uses less than 25 dB to create a more comfortable sleeping environment and improve your sleep quality. Operation instructions: Spray modes to switch: Click the power switch to open the steady spray mode. Click again to change the intermittent spray mode, the mist will mist for 2 seconds and hold for 2 seconds. The third click turns off the spray. The LED light instructions:Press the switch for 1.5 seconds to turn on the soft light and for 1.5 seconds to turn off the soft light. Specification: Applicable water quality: mineral water, tap water Water capacity: 350 ml Product dimensions: 8 x 8 x 16 cm Product net weight: 300 g Working time: 8 or 20 hours Working current: 400 mAh Power consumption: 2 W