Specifications:

• FAST HEATING: Warmth Hands uses efficient heating materials, which can quickly heat up within 2-3 seconds, providing warmth of around 131 ℉, allowing you to fully enjoy the warm moments. (With USB-C charging port)
• SAFE and RELIABLE: Equipped with a temperature control chip, the hand warmer has safety functions such as overheating protection and short circuit protection, making it more reliable to use. You can rest assured to give it as a gift to family, friends, and partners on Christmas, Valentine's Day, Thanksgiving, Halloween, and other holidays.
• LONG TERM INSULATION: After a single charge or heating, the hand warmer can maintain a long-lasting insulation effect, keeping hands warm. After adjusting the temperature range, the lowest level temperature can last for 12 hours.
• DUAL USE: It can be used as a power bank and can still be recycled after multiple charges or heating. If your phone runs out of battery and happens to not be indoors, you can use it to charge. Especially during outdoor sports, golf, or hunting in winter. A charging capacity of 10000 milliamperes is absolutely reassuring.

Hand Warmer Rechargeable 2 Pcs, 10000mAH Portable Electric Hand Warmers Reusable, USB 2 in 1 Handwarmers for Hunting Camping Fishing Golf Skiing, Outdoor, Indoor, Winter Gifts for Men Women Kids