Specification: Condition: 100% Brand New Item Type: Heating Cloth Input: 5V, 2A Power: 8W Usage: 1. Remove the USB plug and connect it to the 2A port of the power bank, turn on the charging treasure and press the switches for 3 seconds to turn on the heating. 2. Adjust the temperature once each time you press the switches: the red light is high temperature, the blue light is medium temperature, and the green light is low temperature. 3. If the heating is off, press and hold the temperature control for 3 seconds and turn off the light to stop the heating. Washing instructions: Take out the power bank, add a neutral detergent and wash it by hand. Don't force or hit. Let the washed clothes air and dry naturally before use. Package list: 1 x heating cloth Note: 1. Do not access the power bank if you will not be using it for a long time. 2. Do not use hot water or strong acid detergents. 3. Do not use electricity when the cloth is wet. Please turn off the device and stop using it if it is wet. 4. The useful life depends on the size of the charging treasure. 5. Do not allow this product to be used by people who are unable to take care of themselves, young children, or people who are not sensitive to heat. 6. Do not pierce the heating blanket with a needle knife. 7. Do not use in wet conditions, please dry before use.