This Shiatsu Kneading Rolling Vibration Heating Foot Calf Leg Massager eases pain and helps you relax. It features automatic adjustable speeds to deliver a custom experience. Ergonomically designed to replicate ancient massage techniques, it emulates the methods used by chiropractors and therapists. The multifunctional automatic foot massager combines shiatsu, kneading, vibration, rolling, and heating to stimulate vital reflexology pressure points. The foot and calf massage functions can work separately or simultaneously. It is easy to use and simple to clean with a damp cloth. The massager includes an instruction manual.