[Exquisite comfort]:Rechargeable Hand Warmer is made of high-quality aluminum and ABS material, thousands of polished exterior material, smooth and warm, portable and compact, fast and uniform heat dissipation. [6 seconds fast heat, rapid temperature rise]: After the hand warmer is turned on, it will continue to heat up. The temperature will reach 42Â°C in 2 minutes, and then it will continue to heat up until 58Â°C to maintain constant temperature. Intelligent temperature control, temperature overheating will automatically power off protection. [Type-C fast charge]: Portable Pocket Hand Warmer is equipped with Type-C charging cable, fast charging, 4000mAh large capacity lithium battery, warmer and longer lasting. [Easy to use]: Warm baby can be opened with one button, silicone core switch, tap to open/close the hand warmer, when using the hand warmer, the silica core is always accompanied by a shimmering hint. [Compact Size]: The size of warmer is 6.6×4.9×9.6cm, it fits perfectly in your pocket. The avocado shape makes it comfortable to hold in your hands. Handy carrying anywhere with any pocket or bag while sporting, fishing, hiking, camping, skiing, a perfect solution in cold weather.