Acupuncture is known for inserting needles in specific points on the body practiced by ancient Chinese to manipulate the flow of energy. Thats why we are happy toer you a product that will heal and relief body pain instantly and painlessly. AcupunctureTherapy MassagePen has a SPECIAL DESIGN of TWO FUNCTIONS in ONE PEN: the DOME HEAD is for SUPERFICIAL THERAPY that is APPLICABLE for HEALTH CARE and FACIAL BEAUTIFACATION and the SPHEROIDAL HEAD is USED for ALLEVIATING the PAIN. AcupunctureTherapy MassagePen can EFFECTIVELY TREAT ALL TYPES of PHYSICAL PAINS such as Sport Injuries, Muscle Pain, Joint and Back Pains. It is also GREAT in TREATING ACUTE and CHRONIC PAINS that are CAUSED by Arthritis, Rheumatism, Migraine and more. It is GUARANTEED to be the EFFECTIVE PORTABLE PAIN RELIEVER. It is SUPER LIGHTWEIGHT and FITS EASILY in your Pocket, Bag, or Pouch. It is VERY EASY to USE just PRESS the START BUTTON to ADJUST the STRENGTH of the ELECTRIC PULSE. It is AA Battery operated.