【14000mAh Hand Warmers With Charging Case】： With 2024 New unique design, it not only solves the inconvenience of storage and charging, but also magnificently increases the battery capacity within the comfortable size range of the hand warmer. Equipped with 14000mAh rechargeable battery, this portable pocket hand warmers can heat up for about 60 hours. | 【Long-Lasting Warmth】: Both hand warmers are individually equipped with a 2000mAh battery, which can be set to three different temperature modes. A single hand warmer can continuously generate 10H(95-107℉)/7H(107-118℉)/4.5H (118-131℉) when fully charged.Also,the charging case is equipped with a 10000mAh battery which can charge two hand warmers 2-3 times at the same time when fully charged. | 【Intelligent temperature control, comfortable and lightweight】: This portable rechargeable hand warmers has UL,CE,and FCC certifications, also equipped with intelligent temperature control chips and multiple protection systems which makes it save to use; It's made of aviation grade aluminum heating element and ABS material, with a smooth surface formed in one piece, lightweight and comfortable to use widely for indoor work, study or outdoor activities. | 【2-second rapid heating&magnetic suction 2-in-1】:The excellent thermal conductivity allows the hand warmer to quickly release heat within 2 seconds after turning on, instantly heating up; The back of the hand warmer adopts a magnetic design. In special usage scenarios, the two hand warmers can be combined into one. Due to its stylish and compact appearance, even when used in combination, it can be easily held in your hand. | 【What makes this hand waremers special】: More compact size but larger battery capacity; Instant heating and integrated charging design. No longer need two cables to charge the hand warmer with the charging compartment.No longer worry about not being able to find the hand warmers next winter or being unable to use it due to prolonged lack of charging. Wonderful little hand warmer for this winter. Perfect gifts for your loved ones.