1. Acupuncture function: can stimulate the human body, penetrate human tissues and organs, regulate biological electric fields, activate free radicals and regulate biological cells, regulate absorption, conduction, balance, metabolism, immune function and health care.2. Experience: When the pen glides over the skin, it produces a feeling of irritation and vibration, the acupuncture point is more intense, and you will feel relaxed and comfortable immediately after use.3. Activate the meridian: remove phlegm, blood stasis toxins, nodules and other physiological waste. Suitable for wrists, neck, waist, face, shoulders, back, body aches, tennis elbow and acute and chronic muscle pain.4. Working mode: can be recharged via USB and can be used for 7 hours after recharging. With 9 adjustable modes, it can also be used for face lifting, dark circles, dark circles, wrinkles, etc.