USB02 series of semi permeable aromatherapy machine is one of our latest products, based on the first generation USB aromatherapy machine of USB01 has been improved, the light conversion mode (10) is more rich and colorful, 150ml greater volume, spray a greater amount of additional intermittent and continuous spray spray two modes, adding beepprompt more innovative design, semi transparent effect (only lamp with decorative pattern and top light), is different from the current market of traditional similar full transparent products, more features.