Long-lasting Warmth: The hand warmer is equipped with 2000mAh*2 and 10000mAh charging cases. The electric hand warmer can be combined into 2 or used alone, and can be used for up to 60 hours, even outdoors without fear of the cold.The charging case can be fully charged in 6.5 hours using the free Type-C charging cable.

Quick Warm Up: 3 levels of temperature can be selected at will, 2S fast heating, the hand warmer has three adjustable temperature levels for indoor use (95-107.5°F), daily activities (104-118.5°F), and outdoor warming (118.5-131°F). Our hand warmer is designed to be simple and easy to use, long press to turn on/off, one click to switch the heating level, double click to check the remaining power.

Safe and Reliable: Our hand warmers are made of advanced lithium batteries, aluminum and ABS materials, using new semiconductor heating materials and intelligent temperature control chips, and have obtained strict UL, CE and FCC safety certifications. Prevent overheating, overcharging, short circuit, ensuring that you can use them with confidence.

Ideal Gift for Winter: Rechargeable hand warmer to dispel the winter cold and keep your hands warm all winter long, a great gift for your family, friends and partner. Surprise your family and any woman or man you care about on Christmas, birthday, Thanksgiving or Valentine's Day.

Premium Support Service: You will get: 1*2-in-1 Hand Warmer, 1*Charging Case, 1*USB Charging Cable, 1*User Manual. If you need any help with our products, please contact us in time, our 24/7 support team will help you solve any problems.