Wahl Dual Rotation Vibratory Therapeutic Handheld Corded Massager with Variable Speed Providing Medium to Intense Kneading Action to Relieve Symptoms of Chronic Muscle & Back Pain. Relieves Sore Muscles - Therapeutic rotating vibratory massager helps relax and relieve muscle tightness; Disrupts pain signals and increases blood circulation to speed healing of muscle/ back pain or fitness recovery. Provides fast comfort. 3 interchangeable massaging heads - The Triad head provides a 3-point massage. The Deep Muscle head targets deep muscle tissue. Lastly, the Raised Roller Bump contains small rolling massage nodes for general all-body use. Best Uses – Our massager is great for fast relief of stress, muscle soreness, stiffness, chronic pain, fibromyalgia, joint pain, arthritis, or sports injury. The ergonomic design is perfect to use on the lower and upper back, legs, arms, and feet. 9 Foot Cord - Achieve a constant stream of massaging power 9 feet away from the power outlet. Wahl Quality - This high-quality 11oz rolling vibratory therapeutic massager is the perfect gift for those looking for an alternative or compliment to other forms of physical and massage therapy.