【Compact Design】 This USB humidifier has a compact design, perfect for desks and small spaces. It's also easy to carry, so you can use it anywhere. 【Multi-functional】 It has an illumination light function, and the changing colors create a relaxing atmosphere. Also, it's a quiet ultrasonic type, so you won't be bothered even while sleeping. 【Safety】 It is equipped with an automatic shut-off function, which automatically stops when the water runs out. This allows for safe use. - Product Name: Compact USB Humidifier - Function: Color-changing illumination light - Sound: Quiet ultrasonic type - Power: USB powered - Automatic Shut-off: Yes - Material: PP Thank you for viewing.