... .5hrshigh heat52505 hrs3.5 hrs3 hrs1.Power supply from DC&USB,easy to heat / light,safe and reliable.2.Fashionable and ... ,the best choice for small gift.3.Small and delicate,portable,especially design for people who go with the fashion and ... .Metarial:Plastic 9.Battery:2600mAh Lithium ion 10.Accessories: Adaptor, USB cable Portable USB Rechargeable Hand Warmer