USB Aroma Diffuser

WH-2001Mini Aroma Diffuser with USB connectorRated voltage: 5VDC Rated power:0.5W, PTC heater Applicable place: rooms(bedroom, living room, yoga room), hotels,hospitals, SPA circumstances. office, corridor, and etc.Applicable space: 30 square metersDriven by ultrasonic waves at a frequency of 1, 700, 000 times per second, the essential oils can combine competely with water, and release large numbers of anions into atmosphere which helps to absorb into the body. It ensures that the active ingredients in essential oil are completely discharged and allowing it naturally release the full efficacy of its aroma-therapeutic effect, so it is both healthy and natural.Video Show:Safety URL link: http://v.youku.com/v_show/id_XMjAwMzIxMjky.html ; Or visit http://www.youku.com and search "Ultrasonic Aroma Diffuser" , then you can see the video show.