I have use the tens for 2 plus years on knee pain sciatic back pain to my amazement it relives pain but went for the ultra sound machine as well and noticed a difference after the 1st usage. its been over a year with little pain. Great service and great company who cares. My pain worships you. Denis
ComboEMS/ TwinStim- Digital&TENS Unit Bonus 3/pk Electrodes
I received my TENS unit only a few short days using after ordering! It is working as it should and I'm quite happy with it. The case will be nice for storing when not in use; much better than a baggie!