Fabric Name: Cotton
*Instructions
1. Take out the USB plug and connect to the power bank, press the power bank output switch, and press and hold the chest temperature control switch for 2 seconds.
2. The red light flashes, it is automatic temperature control heating. After the red light flashes for 5 minutes, it will automatically turn white, etc. for medium temperature control.
3. Manually adjust to three gears, the red light is for continuous high temperature heating, the white light is for continuous medium temperature heating, and the blue light is for continuous energy-saving heating.
4. Long press the chest temperature control switch for 2 seconds, turn off the light to stop heating.
*Washing matters needing attention
1. Take out the power bank, add neutral detergent and wash by hand, do not rub or beat strongly, ventilate the cleaned battery naturally
Easy to wear after drying.
2. It is not applicable for a long time, please do not connect to power bank.
3. Do not use high temperature water or strong acid detergent.
4. It is strictly forbidden to use electricity for wet clothes. Please turn off the power and stop using it if it is exposed to rain and temperature.
5. The use time depends on the capacity of the power bank.

  1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement. 

2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service. 

3.As you know, the different computers display colors differently,  the color of the actual item may vary slightly from the following images.