Verified Post by John lewis Published on 14 Jun, 2018
Rechargeable FDA Cleared TENS Units Muscle Stimulator, EMS TENS Machine with 8 Pads Independent-Control A/B Channel for Pain Management and Rehabilitation Muscle Relief (Sliver)
Requires some practice to figure out the potential of the device. Once you get the hang of the different modes and function it can provide, it work wonders. Smart portable simulator.