AccuMed Portable Massage Unit AP211

This is a Massage Unit or a tens Unit that I originally got for my nerve damage. It does work, all you need are the patches that clip in that stick on your skin which cost about $5-10 online, walmart, CVS, Walgreens all sell them. This one is great and fits in your pocket and works wonders on back pain or tightening. I am only getting rid of because they have implanted a permanent one on my spine.