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Get instant pain relief with T.E.N.S. Massagers from Sharper Image. T.E.N.S. stands for Transcutaneous Electrical Nerve Stimulation — tiny electrical impulses that block pain signals, relax the muscles and stimulate the production of natural endorphins. It’s the same advanced electrotherapy used by doctors and chiropractors worldwide, but in a convenient, portable size. Don’t suffer with pain — get the best T.E.N.S. Massager at SharperImage.com.