1.This product does not contain power bank.
2.This product only supports 5V/2A power bank.
(Less than 1.5A will result in no heat.)
3.The first time you open the package will be flat, please let it relax.
4.How to clean?
①Water temperature can not exceed 40 °C.
②Do not bleach, do not dry, do not iron.
③Pull the pocket zipper. Wash by hand. Hanging up and dry.
④Remember to remove the power bank before washing.
5.How to start heating?
①Speak USB plug-in power bank
②Long press the power button for 3~4 seconds