Features 1、USB C Charging Port: 1000mAh lithium rechargeable battery with USB C charging port, to ensure long term use, you can always charge your various electronic devices. 2、Prevent Scalding: Prevent scalding, hand holding portable and convenient, thickened silicone material and exterior texture, can prevent hand holding from being scalded, increase the insulation time. 3、Multi Purpose: We designed the 3 in 1 rechargeable hand warmer to warm your hands at the same time, and you can also make up and use it as a rechargeable battery. 4、Perfect Gift: Portable hand warmer is a perfect Christmas, party, Valentine's Day gift for friends, family, men and women. 5、Applicable Scenarios: Portable hand warmer heat therapy can help relieve joint pain, skin cracking and frostbite, suitable for office, travel, skiing, hunting, etc. Specification Item Type: USB Hand Warmer Material: PVC, Silicone Battery Type: Lithium Battery Battery Capacity: 1000mAh (Ship with Inbuilt Battery) Power Supply Mode: USB Charging Package List 1 x USB Hand Warmer 1 x USB Data Cable