Healthcare and Physiotherapy: When the pen glides over the skin, it will have a feeling of stimulation and vibration, and the feeling of acupuncture will be more intense, and immediately after use you will feel relaxed and comfortable. Activate channels and protections: remove physiological waste such as phlegm and moisture, blood stasis and toxins and nodules, etc. Adjust the immune function and function of the nervous system: strengthen the immune function of normal people and restore the normal immune function of abnormal people caused by various causes, prevent cardiovascular and cerebrovascular diseases, adjust the cardiovascular system. Electric pulse stimulates muscles, activates muscle cell tissue, effectively prevents muscle relaxation. Lightweight and portable, easy to use, having a good effect on local pain management. Specification: Item Type: Acupuncture Pen Material: Stainless Steel 4XL, Length, 107, Waist, 88-114, Hips, 124 Length: about 18 cm/7.1 inch Diameter: about 2 cm/0.8 inch List of packages: 1 x Acupuncture Pen 1 x replaceable pen head 1 x English Manual