1.Ultrasonic technic humidifier 2.Color flash 3.Circle operation 4.Usb,car and adapter wire connector 5.Add perfume 1. Nini Humidifier usage ... :Car , Home, bedroom, toilet, Office, hotel, hospital etc.2. Product Technic:Ultrasonic generator, Intelligent timer , LED ... unil 10-20 minutes of filling in the water. Mini Ultrasonic Humidifier & Perfumer