[Silent humidifier] The silent operation below 30dB allows you to stay in a comfortable and quiet environment without disturbing you whether it is sleeping or working. [2 modes and breathing light] Press the first time to spray continuously. Press the second time for indirect spray, and the third time to close the spray. Long press for 3 seconds to turn on the breathing light. It is a very gentle light and will automatically change 7 colors. [Automatic protection function] When the water level in the water tank is lower than the water level probe in the water tank, all spray modes will be automatically closed to ensure safety. [Lovely appearance] Our humidifier is small and portable, and the exquisite appearance can be used as a humidifier or decorate your table. [Long-lasting effect] After being filled with water, the humidifier can continue to work for up to 8 hours (continuous mode) 10 hours (intermittent mode), ensuring that you can enjoy hydration all day. Product description The USB humidifier can be connected to the external battery of the computer or other USB power adapters. Environmentally friendly ABS plastic, polypropylene and silicone resin materials are safe and firm and can be used for a long time. Very quiet, it will not affect the sleep of your children or family members. Exquisite gifts, elegant design is a good gift choice. Ideal for birthdays, Christmas, etc. While replenishing water, decorate your room more and enhance your quality of life. How to use 1. Press the button for the first time, permanent fog 2. Press the button again to switch to intermittent fog 3. Press for the third time to turn off the spray 4. Long press for 3 seconds to turn on the breathing light 5. Long press again for 3 seconds to turn off the breathing light (When using for the first time, please fully soak the cotton swab for a few minutes) Specifications: Container volume: 300 ml Power supply type: USB power supply Size: 8.8 x 8.8 x 14.3 cm Working time: 8 hours (continuous mode) 10 hours (intermittent mode) Packing list: 1 x 300ml humidifier 1 x USB cable 1 xUser Manual