Keep your hands warm and cozy with the Kozy XL Rechargeable Hand Warmer and Portable Battery. With a switch of a button you can have soothing warmth on your hands for hours. Rechargeable over 500 times, there are both high and low settings on this hand warmer for ultimate comfort control. The temperature ranges from 108°F to 120° The cube dimension is ergonomic and easy to hold while the aluminum casing provides thermal conductivity. The Kozy XL also features a USB port to act as a charging device for any and all of your devices included smartphones, tablets, cameras, and more. Additionally, this hand warmer has an LED flashlight function and can be used as an emergency flash if need be. Stay warm and stay recharged with the Kozy XL Rechargeable Hand Warmer and Portable Battery.