Retro portable hand warmer

Retro portable hand warmer-talk about a warm love with life, retro design, classic appearance. Built-in large battery capacity. It can quickly warm up in 5 seconds, with two temperature adjustments, which is convenient to use. The hand warmer is made of space aluminum shell, which has good thermal conductivity and can effectively thaw cold hands. There is a real-time digital display next to the product, and the remaining power is displayed in real time, so you are not afraid of power failure at critical moments. 10000mAh battery provides fast charging at the same time, providing endless warmth.