Dual action infra red massager worlds first 7 Massager with Infrared heat. Therapeutically advanced Infrared Rays! Independently operated warming element and powerful Multi-speed vibrating action. Experience the difference with this 7inch massager! The contoured head provides sensuous heat with dual controls the massager may be used with or without vibration and with or without infrared heat. Infrared heat is well know for its therapeutic value. Its capable of elevating the body temperature and expanding the capillaries which stimulate blood circulation. Fell the difference!!!