This foot spa is a perfect tool to relax tired/aching feet after a long day. It gives a vibrating massage to help relieve tired feet and aching muscles while hundreds of different length nodules at the bottom of the basin stimulate the acupuncture points of your feet. It aims to promote blood circulation with its magnetic zone feature, helps to release muscle tension and improve skin condition. This particular one is medium size just perfect to fit your feet. It heats water, vibrates and bubbles.