• Long-lasting Heating Than Ever - This rechargeable hand warmer with maximum energy and offers up to 6-12 hours of warmth. USB quick charge by using 18w charger only 4 hours. No longer worry about battery life span.
• Enjoy Sun-like Warmth - No more cold hands, the pocket hand warmer equipped with fast-heating elements and double-sided heating, quickly heats up to 95°F only 3 second. 3 levels of temperatures : 95-107°F/104-118°F/118-131°F to you like. Don't let the thought of cold fingertips keep you from your favorite outdoor activity in winter.
• Comfort & Portable - No more traditional cold metal warmers feeling like holding a stone. With thousands of polished surface, more smooth and warm. The curvy body and pocket size design to fits your hands better. Great for handy carrying in anywhere while ourdoors - golf, fishing, hiking, camping, skiing.
• Intelligent Protection - Smart temp control system equipped with an integrated temperature sensor will switch off automatically when the handwarmer temperature exceeds 131°F(55°C). The high-precision chipset to keep the electric hand warmers away from over-heating and over-charging.

Shipping Note: Shipping to Alaska, Hawaii, and PO Boxes is not available for this item

Warranty: 90 Day Woot Limited Warranty