Feature:  1. Face beauty and body shaping.  Activates various functions between skin and promotes metabolism.  2. Body warming and blood circulation.  Warms the human body, consumes excess heat, increases blood oxygen and fluidity.  3. Vitality restoration.  Provides deeper adjustment of physiological functions to avoid sub-health state and restore the vitality.  4. Pain relief.  Can improve the body's microcirculation, dredge and activate the meridians, eliminate local pain and inflammation.  5. Humanized heating part is designed for the cold part of the front waist, shoulder, neck and back.  6. Infrared heating with no harmful radiation and stable performance is safe and reliable, environmentally friendly, energy saving, soft and comfortable.     Specification:  Size: S, M, L, XL, 2XL, 3XL, 4XL;  Color: Red, Blue, Black;  Material: Cotton + Polyester;  Voltage: 5V;  Output: USB 5V/ 2A;  Temp. Range: 39-56 degree Celsius / 102.21-132.8 degree Fahrenheit;  Fever area: 4 heating zones;  Temp. Control: 3 settings (high, middle, low);  Lasting time: Depending on the setting And battery capacity.     Note:  1. The cable is waterproof, can be washed.  2. People who are sensitivity to heat applications (diabetics,circulatory problems)should not wear the battery heated coat. Please consult your physician before using.  3. Always connect it to the power bank when heating.  4. Do not use electricity for wet clothes. Please turn off the power and stop using in the rain.  5. Do not connect directly to the power charger, please use the mobile charging connection as a power supply.  6. Power bank is not included in the product.     How to use:  (1) Remove the USB plug.  (2) Access to mobile charging power.  (3) Press the chest temperature control output switch.  (4) Long press the chest temperature control switch for 2 seconds.  (5) Red light flashes for automatic temperature control heating.  (6) After the red light flashes for 5 minutes, the automatic white light is controlled in Chinese.  (7) Manual adjustment has third levels, red light for continuous high temperature heating, white light for continuous medium temperature heating. Blue light for continuous low temperature heating.  (8) Press and hold the chest temperature control switch for 2 seconds, turn off the light to stop heating.     Package Included:  1 X Electric Long Sleeve Hooded Coat.