Stay warm wherever you go with the JMOSTRG Rechargeable Hand Warmers 2-Pack. Featuring a powerful 14,000mAh capacity, these dual hand warmers provide long-lasting comfort while doubling as portable power banks to charge your phone or devices on the go. With 4 adjustable heat levels and both single-side and dual-side heating modes (8 total), you can customize your warmth from 108°F to 131°F to suit any situation—whether outdoors or just fighting the chill indoors. Rapid heating kicks in within 2 seconds, and a full charge offers up to 16 hours of heat, perfect for long winter days. Crafted with lightweight aerospace-grade aluminum and an ergonomic palm-fit design, each warmer weighs only 138g for easy portability. Ideal for outdoor activities like skiing, hiking, hunting, or camping, and especially helpful for those managing Raynaud’s, arthritis, or cold sensitivity, these hand warmers also make a thoughtful gift for family and friends.