Product name: Bear humidifier Water tank capacity: 350ML Rated voltage: 5V Nominal power: 1.5-2 W Product weight: 320G USB interface: Micro USB Spray time: 8 to 12 hours Size of the outer box: 52.8 * 52.8 * 34.5 cm Lighting time: always on Product packaging: 163 * 100 * 100mm Ultrasonic Quiet Design: The humidifier uses ultrasonic and quiet design to purify the air and improve the quality of sleep and rest. A peaceful atmosphere of less than 25 dB can create a comfortable sleeping environment. The water source does not turn off automatically: the humidifier automatically turns off when the water runs out, which is very safe and durable. The large cold nozzle can scatter 360 of light, creating a comfortable atmosphere on all sides. Portable and two spray modes: the size of the mini humidifier is 8 * 8 * 16cm, easy to carry and place. The humidifier can be placed in tables, cars, bedrooms and offices. The humidifier can operate in continuous spray mode for 8 hours or in intermittent spray mode for 20 hours to enjoy the cool mist. 7 LEDs with variable colors: The humidifier can change 7 colors at night, you just need to press and hold the power switch for about 3 seconds. The humidifier can be used as a bedside lamp to create a cozy atmosphere. Multifunction USB humidifier: The humidifier is used with the USB charging cable. This humidifier can generate cool mist and remove static electricity and dust from the air. In dry winter, a humidifier can help improve dry, chapped skin. You can also benefit from aromatherapy. (Note: We recommend that you only drop 1-2 types of essential oils and clean them regularly.) Please allow slight deviation in the measurement data and make sure you do not mind before ordering. Tips from the store: 1. The size is manually measured, please allow the error (1-3cm). 2. Due to the different monitor pixels, there may be some color difference, please refer to the actual product."