Mini USB Humidifier Universal Mini Spray Travel Portable Creative Mineral Water Bottle Humidifier.  Description: [Portable + Widely Used]-Small (removable design) allows you to carry it easily. USB can be inserted anywhere, easy to carry anywhere anytime This USB humidifier can be used in various situations, whether it is business travel, travel, driving, work or sleep.    [Silent + easy to operate]-Personal spray humidifier uses the latest ultrasonic technology, which can obtain lower power and quieter. The working noise of this mini humidifier is less than 15dB, and it will not disturb your rest even at night. This office humidifier can be easily used with just one click.    [USB port + auto power off]-small car humidifier with USB interface, so you can insert USB anywhere. The handheld car humidifier can be turned off automatically after 8 hours without worrying about sleeping.    [Gift selection and one-year warranty]-Portable, suitable for home, office, gym, yoga or baby room. It is the perfect gift for family and friends who like dry air.    Specifications: Working temperature: -10-50 ° C;  Spray volume: 35ml / h;  Noise: less than 15db;  Fog time: 121-180 seconds;  color: White;  Unlimited occasions / various capacity available / car humidification / moisturizing;    Package Included: 1 * USB humidifier;  1 * Data cable;  1 * Cotton swab