FVSA Rechargeable Hand Warmer, 10000mah Graphene Electric Hand Warmers Rechargeable, (13-18 Hours) Portable USB Hand Warmer. All Side Hot Hands for Winter Camping Gadgets Outdoor Sport Ski Tech Gift
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☀[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 provide 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 similar hand warmers.
☀[FAST All Side HEATING & 3 LEVELS] - Press the switch and instantly release the warmth for you. Rapidly 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 using time. It can also be used as a power bank to charge your electronic device at any time
☀[ONE-YEAR] - Hassle free REPLACEMENT or REFUND during the without return. If you have any problem, please CONTACT US without any hesitation