Feature: 1. Seven‑color ambient night light humidifier, seven kinds of LED color lights to choose, seven‑color ambient lights to help sleep. 2. The design is safe, there is no water cut off, when the water level drops to the lowest water level, it will automatically shut down. 3. Low-noise mini humidifier, 35db silent humidification, let you have a comfortable sleep. 4. It is easy to use. After unscrewing the lid and adding water, close the lid and plug in the power supply, then click the switch to work. 5. Durable, USB powered humidifier, made of ABS material, not easy to damage. Specification: Item Type: Humidifier Material: ABS Weight: Approx. 184g / 6.5oz Voltage: 5V Power: 3W Capacity: 130ml Atomization Amount: 40ml/hour Vibration Frequency: 2.4Mhz Noise: 35db Package List: 1 x Humidifier 1 x USB Data Cable 1 x Manual How to use: 1. Unscrew the lid 2. Add water 3. Close the lid 4. Plug in the power, click the switch to start working