The USB Donut Humidifier is a humidifier that can float on the water. Whether you are at home, in the office, in the car, or on a trip, it can meet your different needs. Its donut appearance design makes it unique and eye-catching. Features -Color:White -Material:Plastic -Size:5.00X5.00X2.00cm/1.97X1.97X0.79in -Power Supply: USB -Rated Voltage: <=36V -Noise: Less than 36dB -The compact and portable design of this humidifier makes it easy to carry with you for travel use. -Thanks to its advanced silent, this humidifier operates quietly and won't disturb your . -With a USB power supply, this humidifier is easy to connect to your computer or USB device, widely use. -The cute donut-shaped design of this humidifier adds a touch of elegance to any room, useful. -Made of good workmanship, the mini humidifier is sturdy and safe, and withstand a long time of use. Package list: 2 x humidifier