★【Three Massage Heads】: Our 3-in-1 Electronic Acupuncture Massage Pen comes with 3 unique head. Dome Type Head for facial muscle rejuvention and health care; Node Type Head for partial body pains; Spheroidal Type Head for for quickly alleviating pain. | ★【Nine Power Levels】: Our laser acupuncture pen contains nine different power levels. You can adjust to the proper level of energy based on different treatment need, when you feel a strong pulse by tipping the acupuncture pen around your body, that means you have found the acupuncture points. | ★【Heals through Massage】: Meridian Energy Pen works based on the principles of magnets therapy as well as on acupuncture points. Phenomenon like "Electrical Stimulation" "Acupuncture Sensation", it is how electronic Meridian Pen works, please do not worry. | ★【User Friendly】: It is aportable hand held device, which is exceptionally easy to use and carry. It has a digital display that simply press the start button to increase or decrease the strength of the electric pulse. It will be very helpful for pain relief and muscle relaxation. | ★【Safe and Portable】: Operated by one 2 AA battery (Not Included). Safe and effective, with no side effects. Suitable for family use. Please contact with us if there has any problems or questions.