1. use: The first hold the button for 3 seconds to turn on the boat, high temperature output 100% voltage - Red Light, 5 minutes later the middle temperature automatically - Green Light, press the button to keep the temperature high-middle-low . Hold the button for 3 seconds to exit.
2. Easy and convenient to use. You can put it directly in your jackets, vests and other clothing for warming and heat using 5 v 2A power source, such as computer, power adapter or power bank (not included).
3. Application Area: clothing, cardigans, waists, bellies, pets and so on. Avoid the central heating thread when sewing. Maximum Temperature is 55 Celsius (131 Fahrenheit Degrees).
4. Foldable and waterproof to a certain degree, heating evenly, washable, but don't immerse in the water for long time. (The cloth is glued together, the long-term immersion is afraid that the glue degree of glue.)
5. Lightweight and portable, convenient to take with for outdoor camping or other activities on winters. Also apply to those who are afraid of cold, and they will not fear of winter anymore with it.
6. Allow yourself, babies or people who are not sensitive enough to heat. Do not use in wet conditions, can dry before use. It is strictly forbidden to use when there is nobody in the room.