Specifications:

• 2 in 1 Hand Warmer: 2-pack design with 6000mAh total capacity. Use separately or combine magnetically for versatile warming options. Hand warmers warm both hands simultaneously or share with loved ones. attachment secure combination for easy carrying and organization.
• Advanced Features: Rechargeable hand warmers crafted from heat- pure aluminum alloy and fireproof ABS material. Built-in AI chip for precise temperature control overheating while maintaining constant warmth. chip against overcharging, overvoltage, and short circuits.
• Long-lasting 20-Hour Battery, 3 Adjustable Levels: Powered by 2 Pack 3000mAh batteries (6000mAh total) with 3 adjustable temperature (105-143°F), hand warmers provide up to 20 hours of continuous warmth. Quick 3-4 hour charging via USB. Enjoy instant warmth with 1-second heating technology.

Hand Warmers Rechargeable, 2 Pcs 6000mAh Electric Handwarmers with Charging Cables, 20Hrs Long Heating USB Pocket Hand Warmers Gifts for Women Men, Black