About this item 【Stay Warm in 3 Seconds】The rechargeable hand warmer features a rapid heating function that warms up in just 3 seconds. So even in the chilly winter when your fingertips feel cold, you can instantly warm up by simply turning it on....

3-second warming 2-stage temperature control 2-in-1 warmer & mobile battery

3-second warming 2-stage temperature control 2-in-1 warmer & mobile battery