Features & details [Upgrade All-Day Warmth] Our innovative hand warmers rechargeable 2 pack features a built-in 14,000mAh total battery, providing an impressive 36 hours of continuous warmth. With a 10,000mAh charging case, you can recharge your two hand warmers 2.5 times on the go. Perfect for all-day outdoor adventures or cozying up on chilly days, especially as a hunting accessory [Ultra-Handy, Ultra-Portable] 30% smaller and 40% lighter than other hand warmers, ours rechargeable electric hand warmers fit perfectly in your hand or pocket. The 2-in-1 magnetic design features a magnetic back that allows you to connect the two hand warmers together or use them separately, giving you the flexibility you need [Super Easy to Use] Enjoy effortless warmth with our user-friendly hand warmer. One button controls the 2 seconds of instant heat and 3 settings from 95癋 to 131癋. Simply place it in the charging case for a safe and convenient recharge, anytime, anywhere. Perfect for both indoor and outdoor use [Smart Heat, Ultimate Safety] Our AI-powered hand warmer offers a new level of comfort and safety. Equipped with a Next-Gen AI chip, it offers precise temperature control for unparalleled safety. Certified by FCC, UL, and CE, you can rely on it for reliable and safe heating [Cool Spider-Themed Design] Give the gift of warmth this winter with our cool Spider-Themed hand warmers. Ideal for birthdays, Christmas, Thanksgiving, or New Year's, they're the perfect gift for family, friends, or loved ones. Whether you're camping, hiking, hunting, golfing, or just sitting at your desk, our hand warmers provide cozy warmth anytime, anywhere. A must-have practical & tech gifts for men who have everything Product information Item Package Dimensions L x W x H ?5.28 x 4.13 x 2.17 inches Package Weight ?0.42 Kilograms Item Weight ?50 Grams Brand Name ?Aiduska Warranty Description ?1 Year Manufacturer Model Name ?N9 Suggested Users ?unisex-adult Number of Items ?2 Style ?Modern Battery Capacity ?14000 Milliamp Hours Charging Time ?3 Hours Included Components ?User Manual, Type-C Charging Cable *1, Charging Case *1, Rechargeable Hand Warmer *2 Reusability ?Rechargeable Upper Temperature Rating ?131 Degrees Fahrenheit Use for ?Hand Power Source ?Battery Powered Manufacturer ?Guangdong Aoyun Technology Co., Ltd. UPC ?721545908858