Best TENS Unit (2020) - Reviews & Buyer’s Guide

Best TENS Unit (for Back & Shoulder Pain) 2022

I’ve tried a whole bunch of TENS units. Here are my reviews of the best ones I tested, that meet criteria of both value and features.

The purpose of the TENS unit is to send a low-voltage electrical current to a specific body part, which is believed to help block pain signals from being sent to the brain, eliminating pain.