Feature: 1. No water tank design, no restrictions on the container, humidifier can be used with different types of mineral bottles and cups. 2. Ultrasonic atomization, uniform atomization and high humidification strength to meet the skin's deep hydration needs. 3. Made of high quality ABS material, which is environmental-friendly, good toughness and is not easy to break and scratch. 4. It can be connected to computer, power bank, power adapter and other USB devices for charging. 5. Small size and portable to carry, suitable for car, home, office, bedroom and other places. 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 Host1 x Manual2 x Filter Cotton Stick1 x USB Cable