BESKAR Rechargeable Hand Warmer

From the Amazon Listing

• 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
• Hand Warmer with Long-lasting Heating Time - You will get a 5200mAh rechargeable hand warmer offers you with up to 4-8 hours of warmth in cold winter, outpace your mates and keep your hands warm anywhere
• 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
• Real Comfort & Warm Gift - Smooth and warm surface, palm-size, curvy body and ergonomic design. It's just a easy to hold and comfortable hand warmer. With exquisite package box, this is a must have warm in winter