Product Specifications: Item Type: Acupuncture and Moxibustion Therapy Device Item Name: Electronic Acupuncture Pen Material: Plastic/Metal Condition: Product Indicates: Based on Traditional Chinese Medicine Theory, does no harm to human health Product Function: 1. Warming and activating meridian 2. Promoting blood circulation by removing blood stasis 3. Relieve pain,improve immunity 4. Regularize internal secretion Product Operation Steps: 1.. Treatment, can through the "ON/OFF" key to adjust the intensity of appropriate treatment, in order to feel comfortable it is advisable to (a total of 9 strength level is adjustable from 0 to 9). 2. After using, press the "ON/OFF" key to adjust to the closed position. Product Package Included: 1 x Electronic Acupuncture Pen 1 x Replace Probes 1 x Cable 1 x Adpterus/eu plug for choice,we will send the us plug to you if the buyer didnot left a note 1 x User Manual 1 x Acupuncture Point Map Packed by Retail Box or No box as your choose Please Notice: Treatment principle of Electronic Acupuncture Pen is used electrical pulses to to stimulate acupuncture points then to activate cell and dredging the channel, while there is a condition to generate the electrical pulse,that is,current//'s positive and negative poles must be turned on. The pen is a monopole current(the nib) output, so the other pole current should be conducted by hands and form circumfluence with the nid of the Electronic Acupuncture Pen ,so that it will produce electrical pulses.So it is normal to feel a little numbness of the holding hand, it is how the meridian pen works, not quality problem. In the current return process, depending on the size of the hands//'resistance value,the strength you feel will be a little different.Some people would feel more strong and some will feel weak. Young people or health people will feel a little stronger. Elderly or in poor health people will feel weak. Phenomenon like Electric leakage, Electric numbness, Electrical Stimulation of Electronic Acupuncture Pen, like discussed above,is not quality problem, but its treatment principle. Features: The essence of Chinese medicine, health promotion; Fusion of modern biotechnology; Without piercing the skin to do acupuncture; Simple operation, easy to carry; Safe and effective, with no side effects; Transient pulse; Accurate physical therapy; Affordable family use Notices: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.