Long-lasting Heating Than Ever - This rechargeable hand warmer with maximum energy and offers up to 6-12 hours of warmth. Longer battery life than other handwarmers. No more longtime wait, quick charge only 4-5 hours. No longer worry about battery life span.
Instant Heat & 3 Levels Temperature - No more cold hands, our double-sided hand warmer quickly heats up to 95℉ only 3 second. Low temp: 95-108℉, Medium temp:108-118℉, High temp:118-131℉ for choice by your like. This hot handwarmer is your warm companion in cold winter.
Intelligent Protection - Smart temp control system equipped with an integrated temperature sensor will switch off automatically when the temperature exceeds 131°F(55°C). Built in multiple protection technologies to keep the hand warmers away from over-voltage and over-charging.

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