This heating pad penetrates your body deeply without exposing you to electromagnetic radiation, Its enriched air technology brings the benefits of negative ion therapy to every user, On top of its enhanced therapeutic elements, the pad includes an on/off digital timer and automatic shut off, Therasage has completely revolutionized personal heating products with its patented line of Far Infrared Healing Pads, Conventional pads use and electric heating coil and emit high levels of electromagnetic radiation, Such products only heat your skin, while our unique pads with enhanced therapeutic benefits, penetrate 200-300 times deeper into your body without exposure to electromagnetic radiation, The Therasage Healing 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, Feature:, Natural pain relief, Even distribution and delivery of beneficial negative ions, Safe, long-lasting, deep penetrating therapeutic heat, Digital multi-function time and temperature controller, No electro-magnetic radiation, SKU: RTL11CR077