Jisulife Electric Hand Warmer Muff - Rechargeable w/Power Bank, 6 Heating Levels

Still selling on Amazon for $40 3s Fast Heating: JISULIFE foldable hand warmers rechargeable, you can experience quick warmth in just 3s. Hand warmer pouch provides 6 heating levels, bringing the most suitable warmth according to your needs, up to 65℃ (149℉) Long-lasting Warmth: Rrechargeable hand warmer are equipped with a powerful 10000 mAh power supply, up to 16 hours of continuous heating, with an additional 1.5m extension cable, which can be input into the 5V 2A power use, for uninterrupted warmth, say goodbye to cold hands on cold winter days Safe and Reliable: Newly upgraded graphene hand warmer pouch, lightweight, one-tow-three heating can quickly reach the specified temperature and gradually expand the heating range. In order to prevent any potential accidents, handwarmers will automatically shut down when the internal temperature is too high, please wait for it to cool down before using it again NTC Temperature Control: Equipped with 3 independent NTC temperature control chips, it reduces heat loss while heating at a constant temperature to achieve long-lasting locking warmth.Zipper design of the reusable hand warmer enriches the usage scenarios (hot compress for hands/abdomen/waist/back/neck/legs/hips) Comfort Material: Machine washable portable hand warmer is made of high-quality PU leather, which is lightweight, comfortable and easy to clean. The filling is high strength & elastic polyester fiber, lightweight design makes it easy to carry and store.