14000mAh Hand Warmers: Portable charging case solve the inconvenience of store and charge. This 2024 new designed hand warmers equipped with 14000mAh large rechargeable batteries, and the charging case is easy to charge everywhere outdoors. Long-lasting warmth for about 60 hours 3 Levels Adjustable Temperatures: With 3 levels of temperatures 95-107℉/107-118℉/118-131℉. Both hand warmers are equipped with 2000mAh batteries, work for 4-10 hours when choose different levels, and place in the 10000mAh charging case for convenient charge and long-lasting warmth Lightweight & Portable: Maintain the hand warmer's full charge for at least 4 hours of use time, more battery capacity has been transferred to the charging case, so that the size and weight of the hand warmer have been optimized, making it more portable and safer to use. A single hand warmer weighs only 2oz, easy to hold in hands or pockets Winter Essentials: Excellent thermal conductive material provides 1 second quick heating. Suitable for both indoors and outdoors activities. Pocket-sized hand warmers for hunting, gaming, hiking, camping, cycling, watching, skating, etc Christmas Gift: Fashion design, well packed, large battery capacity, portable and lightweight, multi-colors, safe use, long-lasting heating, making TempBliss hand warmers a practical winter gift for men, women, friends, family, lover