Specification: Condition: 100% Brand New Item Type: Humidifier Material: ABS + Silicone Color: White Size: Approx. 54 x 220mm / 2.13 x 8.66in (Long), 54 x 140mm / 2.13 x 5.51in (Short) Rated Power: 1.5W Rated Voltage: 5V Water Tank Capacity: Unlimited Weight: 50 g / 1.8 oz(approx.) Working Time: No less than 8 hours Usage: 1. Add about 90% full mineral water or cool boiling water to the container 2. Put a humidifier of appropriate length into the container and let the cotton core soak in water for 5-10 seconds to fully absorb the water. 3. Connect the supplied USB power 4. Press the power switch to turn on the spray mode Package List: 1 x Host 1 x Manual 2 x Filter Cotton Stick 1 x USB CablePortable: This cool mist humidifier is small in size, suitable for cars, homes, offices, bedrooms and other places, and is a good item for business trips. Convenient charging: the small humidifier can be connected to a computer, power bank, power adapter and other USB devices for charging. Uniform atomization: The USB humidifier has fine atomization and high humidification intensity, so that you can maintain a comfortable and healthy state. Safe and high-quality material: The rechargeable humidifier is made of high-quality ABS material, which has good toughness and is not easy to break and scratch. Variety of containers: The humidifier is designed without a water tank and can be used with different types of mineral water bottles and cups.