The Hand Warmers Rechargeable 2 Packs by COTOP in black color are a practical and durable solution for keeping hands warm during outdoor activities like camping, hiking, fishing, or hunting. With double-sided heating and an AI charging case, these hand warmers can provide up to 14000mAh of power for extended use. The lithium-ion batteries have a capacity of 10000 milliamp hours, ensuring long-lasting warmth. Made of aluminum and acrylonitrile butadiene styrene, these hand warmers are lightweight at 350 grams and compact in size, making them convenient to carry on the go. The product comes with a 1-year warranty and includes two hand warmers, a charging case, and a user manual in 5 languages. Brand new just doesn’t have the original charger it was lost seems like it feel out the box it will come with a new replacement charger