Acupuncture Pen 3-in-1 Electronic Acupuncture Massage Pen for Pain Relief Therapy, Meridian Energy Pulse Massage Pen, Powerful Meridian Energy Pen, Includes Massaging Gel(Battery Powered)

How To Use? ?Turn on the battery lid, insert the 1.5V AA Battery. ?Click the start button, screen shows "0", hold the trailing end of the pen, put the probe gently on the skin, then slide slowly. ?When you find the right points, the pen vibrates strongly, (If not, please continue to slide the pen to find out acupuncture points). ?Optional from "0" to "9", you can press "+" or "-" Key to adjust. ?Please press back "0" when finishing, and it auto turns out 3 seconds later. Specification: Voltage: DC1.5V (No. 5 battery) Output: 3.7v; 300mA+/50mA Pulse frequency: 0.01-300hz Pulse width: 100uS-320uS Output amplitude: 500 ohm; load voltage: 3.3V Packing include: 1* Acupuncture Pen (battery not included) 3* metal head 2*Cases of gel 1* User Manual