Size: 325x295mm Material: PU+Sponge USB Rechargeable LED Digital Display Type Magnet Therapy: Using artificial magnet field to dredge your meridian standpoints and ill cell Vibrating Massage: Stimulate your foot and promote blood circulation to relieve your tired Heat Acupunctura Therapy: The heat can go deep into your tissue which can destroy the ill tissue and alleviate inflammation Infrared Lay Therapy: Activate the bio-molecule in your body which promote physiological circulation and help absorb magnet