Signature foot spa acupoint technology ndash whiteblue relaxation and soothing sensations for tired sore muscles featuring a whole host of vibrating massage points the built in nodules at the bottom of the foot basin vibrate at a high frequency to stimulate the acupuncture points of your feet furthermore its included heavy duty magnetic beads produce a magnetic field to enhance the microcirculatory system in the feet which results in an increase in blood flow whilst reducing the feeling