Winter pet hand warming treasure is a new, safe and intelligent hand warming treasure. It is not only easy to carry and use, but also durable and safe. High battery capacity, good heating effect, adjustable heating temperature, low power, high energy utilization. You can use a charging bank, a mobile phone charger, or directly plug it into the computer host. You can also use ordinary mobile phone data cables to connect each other to increase the length of the data cables. It can be used by a variety of people, especially the elderly, students and office workers.
