When you experience pain or discomfort, this acupressure pen set is a great tool to have on hand, including two pens, one with a spring inside. [Pain-Free and No Acupuncture Needed] These acupuncture probes are painless and can be used anytime. It is very convenient and the effect is immediate. [3 Special Functions] To detect pain points or acupuncture points, moderate compression can relieve pain immediately. It is also used to detect various acupuncture points in auricular therapy. [Scope of Application] Applicable to pain in the neck, shoulders, waist, foot, and others, can be used as a complementary treatment of various diseases such as frozen shoulder, arthritis, neuromuscular pain, migraine. [No Side Effects] It has no side effects compared to the use of painkillers and other drugs to treat chronic pain. It is lightweight, so when you need to relieve pain, you can easily put it in your pocket.