This handheld massage unit is ideal for stimulating and toning tired, overworked muscles via electro muscle stimulation. With Sonik, you now have the ability to tone up to four areas simultaneously! The Sonik Massage System brings the convenience of toning and massage into your home. While in use, this handy device will stimulate and relax muscles and relieve tension and stress. This revolutionary handheld device has been designed to mimic the nerve signals of the body, and repeat this cycle again and again. With 8 pulse patterns and 10 speeds, delivering a relaxing massage in the convenience of your home has never been so easy! Each pad sticks easily to the skin with a light adhesive, and are reusable.