Sleeveless Jacket Vest Body Warmer Coats Waistcoat 5 Heating Pad Thermal Unisex

Instructions for use:
1. Vest features built-in USB port to connect the power bank.
2. Power switch - long press the switch for 3 to 5 seconds.
3. Red light flashes - automatic heating
4. Red light - manual heating, high temperature
5. White light - medium temperature
6. Blue light - low temperature
Specification:
Color: black, gray
Material: polyester, carbon fiber
Temperature level:
Low: about 45℃
Mid: about 55℃
High: about 65℃
Gender: unisex
Tag Size:M,L,XL,XXL,3XL,4XL
Fever Area: Back + Waist +Abdomen
Note: 
1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. 
2.Please allow 2-3% error due to manual measurement.Please make sure you don’t mind before you mid.