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Replaceable Battery Heater: Meet Union 5-It's a unique, detachable, and replaceable hand warmer. allowing you to charge a spare core for continuous warmth. Swap it in seconds for unlimited battery life, ensuring long-lasting comfort.
Energy-saving Hand Warmer: Exclusively designed single/double-sided heating mode. Fits in pockets when single-side is hot, warms both hands when heat on both sides. The single-sided heating mode saves 50% energy than other hand warmers.
3S Quick Heating: With its perfect palm-sized design, it offers rapid 3-second heating and a constant temperature setting, providing an unmatched warming experience. Choose from three temperature levels: 95-107°F/104-118°F/118-131°F.
Large Battery Capacity: Equipped with a 5,000mAh rechargeable battery and a USB-C charging port, it ensures extended usage. It can also double as a power bank to charge your electronic devices.
What You Get: Union 5 hand warmer, Micro USB cable, user manual, USB-C converter, worry-free 12-month warranty, and friendly customer service. Note: The product includes only one core, replacement cores and charging bases need to be purchased separately.
hand warmers 5000mAh