Multi-Function warmer.It can be used as to warm hands,stomach,log back.specially for work and study at night.Rechargeable. Multi-function warmer feature:1.This warmer is a new-style hot water bottle which is made of special material, It can keep warm and make you feel very soft, comfortable and convenient.2.The warmer is one of the new healthy and keeping warm product.It can ease pains such as ...