Facial improvement and body shaping: it activates various functions between the skin and promotes metabolism. Restoration of vitality: it provides a deeper adjustment of physiological functions in order to avoid sub-health and restore vitality. Relief of pain: it can improve the microcirculation of the body. dredge and activate the meridians. eliminate local pain and inflammation. Heated body and blood circulation: It warms the human body. consumes excess heat. increases blood oxygen and fluidity. Charging precautions: 5V non-inductive voltage (use your charging treasure to charge better heat effect). no electromagnetic radiation. energy saving and environmental protection.Connect the charging treasure. press and hold the switch for 3 seconds to charge and heat.