Excellent product. Provides electrical stimulation for pain control. Easy to use and has multiple settings to get optimal effects. I suffer from lower back pain and I am glad to have this in my arsenal to combat my discomfort.
I have to admit that when my doctor suggested a TENS unit for chronic pain, I was pretty skeptical. WOW... was I shocked. I use this for chronic back and shoulder pain from an auto accident. It really works and I am now a walking billboard for the TENS units!!!! This particular unit is sleek, compact and convenient when I when I go on trips.
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