Ultra-Thin and Portable: Palm-sized, circular design fits perfectly in your hand, pocket, or glove. Weighs only 1.9 ounces, thickness 0.6 inches, 30% lighter than similar models, ideal for carrying around.

Heats up instantly in 0.5 seconds: one-button design activates in 0.5 seconds, instantly warms up to 131, fastest warmth to palms. Choose from 5 levels heating for your comfort.

All-day Lasting Warmth: AI smart chip, intelligent temperature control makes the hand warmer work longer, two hand warmers provides reliable heat for together up to 20 hours, from morning walks to evening dinners, meets all-day needs

Trusted Safe Heating: Uses high-quality, reliable high-rate battery, ensures battery stability and safety even when releasing maximum heat in short time, multiple protections, more safe and durable.

Perfect Gift; Suitable for cold commutes, outdoor entertainment, hunting camping and watching sports games, it is a practical Christmas, birthday or holiday gift for men, women, mothers, or fathers.