Design Open design Massage type Kneading, Shiatsu, Rolling Heat function Without heat Type Kneading Working Principle Mechanical Operation Mode Electric Color Black Warranty 1 year Model Name/Number LUX-1 Massage on feet and calves has been practiced for centuries to improve well-being. Combined with modern technology and traditional massaging skills, the HESLEY Foot & Calf massager is specifically designed to give you comfortable massage while delivers refreshing vibration, intense rolling massage, and moderate heat to soothe muscle stiffness and eliminate fatigue.