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Detachable Battery & Heating case. The world’s first modular rechargeable hand warmer, the Ocoopa Union 5s, is composed of a Union core- 10000mAh battery bank and a Union case- heating housing. It enables you to replace the battery or heat casing as needed. In only three steps, you can alternate with a fully charged battery. Refill your hand warmer in seconds for another 15 hours of warmth. Swap and go.
Heat that lasts for 15+ hours. Ocoopa Union 5s is equipped with a 21700 battery cell with a capacity of 10000mAh, leading in a 20% improvement in energy density and minor weight increases. It can deliver heat for up to 15 hours. Accompany you throughout the day.
Faster Heat. Larger surface. Feel a comfortable warmth like you’ve never felt before. The U5s features a uni-body high grade brushed aluminum casing with a 30% bigger heat surface than previous. Spread the ideal warmth from your palm to your fingertips. You can always have your comfortable heat with four temperature ranges ranging from 145°F to pick from.
Your must-have gadget for every season. During the summer, remove the Union case and use the Union core as a 10000 mAh USB-C portable charger. U5s is both a hand warmer and a portable power source!
Patented original design, stylish look, and practical function make U5s ideal gifts for tech lovers, sports or outdoor fanatics, and anyone you love. Bring the warmth from their fingertip to their heart.
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