The essence of Chinese medicine, health promotion; The fusion of modern biotechnology; without piercing the skin to do acupuncture; Simple operation, easy to carry; Safe and effective, with no side effects; Affordable family use Effective for: Acute and chronic physical pain, Arthritis, Rheumatism Osteoporosis, Sciatica, Spondylitis, Migraine, Sports injuries Muscle & joint pains, Back pain, Fibromyalgia   Specifications: Size: 185mm x 26mm Material: Plastic Possessing three main functions: Dome type: Superficial therapy, which is applicable for health care and facial beautification. Node type: Node therapy, which is applicable for partial body pains. Spheroidal: Partial therapy, which is applicable for quickly alleviating pain.