... Voltage3.0V-3.4V4.humanize, portable and unique design5.Ultilize PDT therapy,combine with seven kinds of lights:red,yellow,green ... ,orange,blue,purple and cyan;Function:PDT personal care1.Red:promote blood circulation and active cell2.Yellow ... :de-toxin negative ion provide energy of skin movenment.PDT personal care2. Ultilize PDT theray, combine with seven kinds of light, red ...