LIGHT AND PRACTICAL: like the size of your hand，easy to put in your pocket, suitable for carrying in cold weather and for all outdoor activities. It will be your savior in this unbearably cold winter!
UPGRADED DESIGN & SAFETY GUARANTEE: Hand warmers rechargeable made of high-tech aircraft-grade aluminum and ABS material handy. The optimized circuit can extend the service life of the hand warmer and prevent over-discharge, over-charge, over-heating, and short-circuit.
Handwarmers/charger with large battery capacity: Rechargeable hand warmers also have USB Type-C plug and can also be used as a backup battery (5200mAh) for mobile phones. Charging for 2-3 hours can ensure continuous heating for up to 8 hours. You can stay warm and charge your phone in an emergency.
SMART & SAFE HEATING: Safety is our top priority, and the electric hand warmer uses an advanced chipset to control the heat level. Press the switch for 3 seconds to immediately release the warmth for you. Quickly preheat both sides in 3 seconds. There are 3 temperature levels 95-107.6°F / 104-118.4°F / 118.4-131°F for your choice.
PERFECT WINTER GIFT: You must have a hand warmer to spend the cold winter. In cold weather, this device can keep your hands warm. It is exquisitely made and comes with an exquisite box, a portable hand warmer, which is the perfect gift for family and friends in winter.