UT4 Extreme Rechargeable Hand Warmer Twin PackThe UT4 Extreme hand warmers are built for ultimate performance in the harshest conditions. With an IP56 waterproof and dustproof rating, these twin units deliver reliable warmth no matter the weather. Each unit is powered by a 10,000mAh battery, providing up to 18 hours of heat and doubling as a power bank to keep your devices charged on the go. For extreme cold, the extra power mode delivers a rapid heat boost, while the built in torchlight adds

With four adjustable heat settings

or enough backup power to charge your phone over one and a half times

the UT4 Extreme is always ready for your next adventure

natural grip for maximum comfort

style and reliable warmth

With a premium aluminium body and soft silicone surface

Each unit is powered by a 10

The UT4 Urban Hand Warmer is designed to keep you warm and comfortable in any setting

Featuring smart magnetic technology

The UT4 Extreme hand warmers are built for ultimate performance in the harshest conditions

with three adjustable temperature settings up to 126°F and a heat duration of up to 4 hours

or even share with a friend