Features: 1. 3 types of tip for choice: Dome type: applicable for health care and facial beautificatio; Node type: applicable for partial body pains; spheroidal type: applicable for quickly alleviating pain. No needles easily focus on pain areas stress relief and relaxation adjustable intensity controls. 2. Suitable for family use; Simple operation and easy to carry. Safe and effective, with no side effects. 3. Three functions: physiotherapy, unblock the meridians and adjust body immune system and nervous system function. 4. 9 modes can be adjusted freely: adjust the mode according to the personal feeling and time. 5. Suitable for the persons lack of excercise, sedentary person, middle-aged and aged people and sub-healthy group. Specification: Item Type: Massage Pen Voltage: DC 1.5V Output: 3.7V 300mA±50mA Impulse Frequency: 0.01-300Hz Pulse Width: 100uS-320uS Output Amplitude: 500ohm; load voltage 3.3V Note: Phenomenon like Electric leakage, Electric numbness, Electrical Stimulation of Electronic Acupuncture Pen is not quality problem, but its treatment principle. How To Use: 1.Install 1 x AA battery in the compartment 2.Turn on the device by holding the handle with the tip up and pressing the lower half of the black toggle button.The number 1 should appear on the display.Repeat to increase power up to 9. 3.Put a small amount of contact gel on your inside wrist. 4.Starting with the device on a medium low setting,firmly press the tip to the wrist.If you do not feel anything at first,slide the tip around the general area until you feel the pulsing sensation.If you still do not feel anything,click the button to a higher setting. 5.If you feel a stinging sensation it is because there is not asolid connection from the tip to your skin.Use more contact gel to fix the problem. 6.Continue sliding the tip around until you feel a strong pulse.When the pulse is strong it means you have found an acupoint and you are stimulating it.You may hold the acupointer directly on the point or gently massage the point. Package Includes: 1 x Meridian Energy Pen 1 x Ball Type Head 1 x Dome Type Head 2 x Cases of gel 1 x User Manual (Send wihtout the original box)