Feature: 1. USB: The interface of our electric hot compress bag is a USB interface, which is very convenient to use whether it is going out for work or traveling. 2. Foldable: Our electric heating bag is foldable and very lightweight. Therefore, it can be folded and stored when not in use without taking up space. 3. Material: Our electric hot bag is made of short plush material, which is soft and heats up quickly, and you can get warm instantly and you will be satisfied. 4. Washable: Our electric warming hot bag is washable when they are dirty, but no water is safer and no lint, so you can get a fluffy electric warming hot bag. 5. Temperature: The temperature of our electric hand warm bag is 40?55 celsius , it will be very warm when you use it outdoors in winter, and the hands will not feel cold. Specification: Item Type: Electric hot compress bag Material: Short plush Temperature: 40-55 celsius Characteristics: 3 Gears temperature adjustment, intelligent temperature control Heating Area: Central heating Voltage: 5V Power Source: Power bank (not included) Weight: 150g / 5.3oz(approx.). Package List: 1 x Electric Hot Compress Bag