The Renpho Shiatsu Foot Massager is great if you spend long hours on your feet. Its graphene heating gently warms your feet to ease aches and pains and relax tight muscles. It's perfect for recovering after a long day. Its five compression modes apply pressure across the feet to help boost blood circulation. And with three kneading levels, you can adjust the pressure for light or deep compression.Cooling function - reduces heat and soothes sorenessSpacious foot chamber - fits up to men's size 12Three heat levelsTouch buttons