FVSA Rechargeable Hand Warmer, 10000mah Graphene Electric Hand Warmers Rechargeable, (13-18 Hours) Portable USB Hand Warmer. All Side Hot Hands for Winter

☀[Innovative Graphene Heating] – Innovative graphene heating material, 2 expensive “1.8*2.4” graphene film inside.More compatible with human body, heats in seconds to offer fast pain relief to aching muscles.
☀[EXQUISITE COMFORT] – Made of high-tech aircraft-grade aluminum and ABS material, Hundred of polished exterior material, smooth and warm, portable and compact as well anti-skid in one hand.Half the thickness of equivalent hand warmers.
☀[FAST All Side HEATING & 3 LEVELS] – Press the switch and in an instant release the heat for you. Swiftly warm up all sides in seconds. 3 levels of temperatures 40℃/104℉(18 hours) 48℃/118.4℉(16 hours) 55℃/131℉(13 hours) at your choice
☀[LARGE BATTERY CAPACITY] – 10000 mAh lithium rechargeable battery with USB-C charging port ensures a long the use of time. It can be used as a power bank to charge your electronic device at any time
☀[ONE-YEAR] – Hassle free REPLACEMENT or REFUND right through the without return. When you have any problem, please CONTACT US with none hesitation