Hand Warmer Rechargeable 5000 Mah Power Bank 3 in 1 Electric Hand Warmer
Instantly Warms up In 3 Seconds. Switch Between 3 Levels of Heat 104°f, 122°f, or 140°f at Will. You Can Also Use Hand Heater to Heat up A Stiff Neck or Muscle, Great for People with Reynauds, Arthritis, or Dealing with Frostbite.
Hand Warmers Rechargeable [Double-Sided Heating] [Equipped 5000mAh X2 Black
【Double-side heating】：Double-sided heating aluminum sheet combined with heat-conducting silicone achieves 360 ° heating surface, minimum 104 ℉ - maximum 131 ℉.