UTK has completely revolutionized personal heating products with its Far Infrared Natrual Jade Heating Pads. Conventional heating pads use electric heating coil and emit high levels of electromagnetic radiation. Such products only heat your skin, while our unique Far Infrared Natrual Jade Heating Pads with enhanced therapeutic benefits, penetrate 200-300 times deeper into your body without exposure to electromagnetic radiation. This pad features far-infrared heat, negative ions and natural jade. When the jade is heated, it emits far-infrared heat that penetrates deep into your body and has the following benefits. relieves pain, improves blood circulation, reduces tension and stress and improves flexibility. Specifications 1.Dimensions: 31 inches x 21 inches. and approximately 1/2 inches thick. 2. 126 Individual Natural Jade Stones for maximum heat transfer and penetrationHeld securely held in place on a 1 1/2inches. spacing layout 3. Actual jade stone area is approx. 13.8 inches by 20.5 inches. (but pad extends from edge to edge)4. Power Cord:one cord 70 inches plugged into the electric use, the other cord 31 inches connected to the pad. 5. Wattage: 100 watts 6.Standard Voltage: AC120 Volts Contents of your package: 1. The complete package is contained inside the travel bag 2. The Far Infrared Heating pad itself 3. A Digital Controller with power cord4. Insruction manualBenefits:1.Helps give temporary relief from minor muscle and joint pain and stiffness. 2.Helps give temporary relief from joint pain associated with arthritis. 3.Helps give temporary relief from muscle spasms. 4.Helps give temporary relief from minor sprains and strains.5.Helps give temporary relief from minor muscular back pain. 6.Helps give temporary increase of local circulation where applied. 7.Helps your muscles relax. 8.Utilizizes negative ions to help relieve stress and boost energy..