Features: 1. Built-in rolling balls deliver deep massage to the soles 2. Help to relief tension and fatigue of your feet 3. Replicate the method of traditional shiatsu massage and reflexology therapy 4. Soothing heat enhances your massage experience 5. Adjustable speed from low, medium to high according to your needs and likes 6. Five buttons for easy control: time setting, model, intensity, heat, on/off 7. LED displays current working status 8. Removable zipped cloth cover for easy cleaning 9. Compact and ergonomic design for easy storage after use Specifications: 1. Material: ABS 2. Color: Blue 3. Dimensions: (16.53 x 13.39 x 7.87)" / (42 x 34 x 20)cm (L x W x H) 4. Weight: 126.97oz / 3600g 5. Rated Voltage: 110V/60HZ 6. Rated Power: 50W 7. Rated Time: 15 Minutes 8. Working Temperature: Under 40℃ 9. Plug Type: US Standard Package Includes: 1 x Airbag Heating Foot Massager 1 x Instruction