This massage technique penetrates even the tightest muscles.Dual Head Percussion - It is more effective than a single head massager in a deep targeted massage, muscle pain relief and helping you to relax. It can be used to promote blood circulation, relieve swelling and pressure. Percussion massager can relieves muscle tension, knots, spasms, aches, and pains. well promoting stress relief with full massage on such body parts as neck, arms, back, and legs.This handheld deep tissue massager offers multiple speeds to accommodate your bodies full massage needs, and let you enjoy the best massage experience.Comfortable and Easy to Use - A ergonomic handle for an easy, comfortable grip; The 98 inch extra long power cord means you can get a great massage on the sofa or on your bed.