S-patch is a drug-free micro medical device that uses pulsed electro-magnetic field to reduce pain and inflammation.
This medical device is available for any part of the body like neck, waist, shoulder, kneesm arms, legs etc.
As it is a portable device, it is easy to use regardless of time and place.
Unlike a TENS machine, you will not feel heat or vibration.
In fact, S-patch is completely sensation free, so the only thing you are going to feel is better.