Come and see our amazing products. Two-in-one rechargeable hand warmer and mobile power supply, the hand warmer can warm you all the time, especially in the cold winter. It can also be used as a mobile power bank to charge your mobile phone or other electronic devices. With a larger capacity of 4000mAh, your phone will never be charged. Great choice for studying, shopping, camping, hunting, hiking, traveling, etc. The pocket hand warmer is made of ABS material, painted on the surface, shockproof, anti-scald, non-slip and anti-drop. The high-quality aluminum alloy material and optimized circuit prolong the service life of the children's hand warmer and provide overcharge, overheat and short circuit protection. The ergonomic design and palm size fit your hand perfectly. Pls confirm with us about the packing info, stock color and exact production time before placing your order.