1、Health care and physiotherapy: when the pen slides on the skin, it will have the feeling of stimulation and vibration, and the acupoint feeling will be more intense, and you will feel relaxed and comfortable immediately after using it. 2、Activate the channels and collaterals: remove the physiological wastes such as phlegm and dampness, blood stasis and toxin, and nodule, etc. 3、Adjust immune function and nervous system function: enhance the immune function of normal people, and restore normal immune function of abnormal people caused by various reasons, prevent cardiovascular and cerebrovascular diseases, adjust cardiovascular system. 4、Electrical pulse stimulates muscle, activates muscle cell tissue, effectively prevents muscle relaxation. 5、Lightweight and portable, easy to use, having good effect for local pain treatment. Condition: 100% Brand New Item Type: Acupuncture Pen Material: Stainless steel Size: Length: Approx.18cm/7.1inch Diameter: Approx.2cm/0.8inch Battery: 1 x AA (Not Included) 1 x Acupuncture Pen 1 x Replaceable Pen Head 1 x English Manual