Cwdeal Duck Shape Floating USB Humidifier Office Air Purifier Aroma Diffuser - Yellow+Free gift Duck shape, cute and fashional. Small size and portable to carry Comes with one 1.2m USB cable. Three functions: humidification, aroma diffusion and air purification Remove unfavorable odors & food smells. Removable tank and easy refilling Powered via USB port on your computer. Low power consumption A healthy lifestyle gadget, it is great for your home, office and car.