The USB humidifier can be connected to the computer power bank 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 refilling water, further decorate your room and improve 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 a 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 first use, please soak the cotton swab completely for a few minutes) Specifications: Container volume: 300ml Power type: USB power Size: 8.8 * 8.8 * 14.3 cm Weight: 160 grams Working time: 8 hours (continuous mode); 10 hours
