【Longer Lasting Warmth】 - With a large 4000mAh battery capacity and 10000mAh Charging Box, the electric hand warmer rechargeable provides you with up to 24-60 hours of warmth during the chilly winter. It effortlessly caters to your entire day's needs.

【2-in-1 Electric Hand Warmer】 - A set of 2 symmetrical hand warmers that can be combined into a palm-sized hand heater, providing 360-degree warmth for your hands. Alternatively, you can use them separately, each hand holding one, or share one hand warmers with a family. The portable pocket design is suitable for travel, hunting, golf, hiking, camping, skiing, and more

【AI Temperature Sensor Chip】 - It has an integrated intelligent AI temperature control chip that can provide precise 3-level heat regulation, feedback, and monitoring. By continuously analyzing and detecting the temperature between the hand warmer and your hands, it ensures precise heat control for optimal comfort and safe heating, with a maximum temperature of 131℉.

【Christmas Gifts】 - Available in a range of stylish colors, Ideal for family and friends, these hand warmers are the perfect gift for Thanksgiving, Christmas, New Year, birthdays, and Valentine’s Day. Whether for hiking, skiing, Golf, Camping, or as essential hunting gear.

【Reliable After-Sales Service】- Our support team is here to help with any issues, giving you confidence in the durability of the battery-operated heater.