LRK ACUPRESSURE Laser Therapy Acupuncture Pen Possesses 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 Indication: It Is Applicable For Pains In Cervical Vertebrae, Shoulders, Waist, Feet, Etc. Also Serves As An Aid To Therapy For Various Diseases Such As Frozen Shoulder, Arthritis And Neuromuscular Pain, Etc Effective Pain Relief :Shoulder, Back, Elbow, Knee, Ankle, Nerves, Muscle Pain, Tennis Elbow And Many More Acute And Chronic Physical Pain,Arthritis,Rheumatism,Osteoporosis,Sciatica,Spondylitis,Fibromyalgia This Is A Electronic Acupuncture Pain Therapy Pen.