The AccuEnergy Massage Pen is a painless acupuncture stimulation that activates tissues, firms sagging and aging skin, promotes blood circulation, detoxes the meridians, and helps reduce muscle pain. Simply press the pen onto affected areas and it will release an electric pulse to stimulate the meridian and acupuncture points in your body for healing and pain relief.It’s great for treating acute and chronic physical pain, arthritis, rheumatism, osteoporosis, sciatica, migraine, sports injuries, and muscle, joint and back pains. It has a digital display that shows the strength of the electrical pulse output (0 – weakest and 6 – strongest). Simply press the start button to increase or decrease the strength of the electric pulse

There are no needles involved so there is no skin piercing.
It has no side effect as opposed to using painkillers and other medications to treat chronic pain.
Only needs one AA battery (not included) to function
Dome type is superficial therapy applicable for health care and facial beautification,
Node therapy applicable for partial body pains, and Spheroidal is partial therapy applicable for quickly alleviating pain.