Ubooop Hand Warmer Rechargeable 2 Pack, 10000mAh Electric Hand Warmer Power Bank, Perfect for Outdoor Sports, Gifts for…

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【Double-Sided Quick Heating】It only takes 3 seconds to quickly heat up to warm your hands. We have 3 temperature settings of 104-113°F/113-122°F/131-140°F for you to choose to suit your needs in different situations. The LED display convinience you to see the current temperature at a glance.
【Ergonomic Design】It’s ergonomically designed and comfortable shape makes it very comfortable to hold. There are silicone edge protection to prevent falling. Pocket-sized, it fits easily in a pocket or secures in a glove to keep you warm on the go in those cold winter days.
【Multifunctional】It not only warms your hands quickly, but also acts as a power bank for emergencies. A full charge takes only 3-4 hours. Provides up to 4-8 hours of warmth during cold winter months.
【Safety performance】This hand warmer has a built-in intelligent protection system to provide power-on, short-circuit and overload protection. Made of high-tech aviation-grade aluminum and ABS materials, it is anti-scalding and explosion-proof. Multiple protection technologies to ensure your safety.
【Satisfaction Guarantee】 We hope you to be absolutely elated with your Hand Warmer, which is why we are offering you a Risk-Free purchase. In the unlikely event it fails to meet or exceed your expectations, you are welcome to return it for a hassle-free, FULL refund. Purchase Now Warm you all the winter.