Ultrasonic USB Mini Incubator Humidifier Price in Bangladesh. Ultrasonic USB micro incubator humidifier is composed of ABS plastic and has a power input of DC5V/500mA. Its dimension is 5 x 5 x 2cm, and it weighs 32g. It is frequently used as a humidifier, air purifier, and ionizer, making it ideal for use in egg incubators, bedrooms, living rooms, bathrooms, workplaces, and reception areas, among other places. It can be put into a cup, vase, bottle, pot, or any other container because it has no water capacity limit.