Introductions: The Smart Kneading Rolling Vibration Shiatsu Foot Calf Leg Massager lets you enjoy a relaxing spa experience in the comfort of your own home. All you have do is sit in a comfy chair, or couch, place your feet in themachine, and turn it on. Built-in rolling balls deliver deep massage to the feet, ankles and calves, helping to relief tension and fatigue by replicating the method of traditional shiatsu massage and reflexology therapy. What's more, you can adjustthe speed from low, medium to high according to your needs and likes. Don't hesitate to get it! Features: 1. Material: ABS 2. Color: Gray 3. Dimensions: (22 x 19.7 x 17.7)" / (56 x 50 x 45)cm (L x W x H) 4. Weight: 425.8oz /12.05kg 5. Rated Voltage: 110V/60HZ 6. Rated Power: 70W 7. Rated Time: 15 Minutes 8.Massage Speed: High, Medium And Low 9. Plug Type: US Standard Specifications: Basic Information 1.Material: ABS Package Includes: 1 x Foot Massager 1 x Instruction