USB03 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 is more rich and colorful, 200ml greater volume, fog a greater amount of additional two files (1H, 3H) spray timing and continuous spray three modes, add beepprompt, more innovative design of semi transparent effect (but the base and the top of the decorative pattern, light) is different from the traditional current market similar full transmission products, more features.