Ultra-Thin and Portable: The Ocoopa UT4 Young hand warmer is your perfect on-the-go companion, measuring just 0.6 inches thick and 30% lighter than similar models; It easily fits into gloves, pockets, and wallets, allowing you to enjoy warmth anytime, anywhere; Just snap it on and experience the convenience of the magnetic 2-in-1 design

Instant Heat, Lasting Warmth: Unlike disposable hand warmers, it is a rechargeable and reusable hand warmer. This USB hand heater offers up to 8 hours of continuous heat on the lowest setting, with three adjustable temperature levels ranging from 100°F to 126°F, providing personalized warmth for you all day long

Trustworthy Safe Heating: The UT4 Young is UL certified(E535516), ensuring it meets the highest safety and quality standards; Unlike others that only have a UL report, this hand warmer is fully factory-tested for real safety; Crafted from top-notch materials with meticulous craftsmanship, it’s built to keep you warm and last long

Irresistible Tech Gift: Whether you love hunting, camping, golfing, hiking, skiing, or often suffer from cold hands due to Raynaud's or chilly weather, the UT4 Young electronic hand warmer is sure to become your favorite; It also makes an ideal gift for Thanksgiving, Christmas, New Year, birthdays, and Valentine's Day, perfect for family and friends

What You Get: Each set includes two hand warmers, one velvet bag, two silicone lanyards, one USB-C dual-charge cable, and a user manual, along with a 12-month warranty and 24-hour customer service for your peace of mind