Color: White UrrSovv USB Car Diffuser Air Humidifier is a cup-shaped diffuser and humidifier with lightweight and compact design also with big capacity 100ml. With ultrasonic technology and 100% BPA free, add water and 1-3 drops of essential oil into the water tank, ultrasonic tech. gives the ultra-fine/smooth uniform aromatherapy mist,it envelops your surroundings effectively by producing cool mist to add moisture and relieve stress.It's the easiest way to maintain a fresh, moisture and odor free environment in your car/office/bedroom/bathroom etc. ? Specification: Capacity: 100ml Material: PP,ABS,BPA free Mode and how to use: a)1st press: 4h continuously misting with 7 chanageable colorful LED lights b)2nd press: 6-8h intermittently mist with 7 chanageable colorful LED lights c)3rd press: Power off d)Keep press 2sec for light shut off Size: 70x70x140mm Power: 3W(Voltage: DC 5V) USB cable length: about 100cm Package Included: 1x Car Diffuser 1x USB Cable (no adapter included) 1x User Manual Note: 1.Pls add water below the max water line. 2.Pls read the manual carefully before using in order to keep it running at best performance. 3.Pls use 100% non corrosive pure essential oil. 4.If using in the car, please use 5V 1A usb adapter. If using with laptop, please use with USB 3.0 Port. 5.Can not be used alone for children.